Contributing: Fixed some typos (#18331)

eng/scripts/StartDumpCollectionForHangingBuilds.ps1

@@ -54,7 +54,7 @@ Write-Output "Watching processes $($CandidateProcessNames -join ', ')";
 # This script registers as a scheduled job. This scheduled job executes after $WakeTime.
 # When the scheduled job executes, it runs procdump on all alive processes whose name matches $CandidateProcessNames.
 # The dumps are placed in $ProcDumpOutputPath
-# If the build completes sucessfully in less than $WakeTime, a final step unregisters the job.
+# If the build completes successfully in less than $WakeTime, a final step unregisters the job.
 
 # Create a unique identifier for the job name
 $JobName = "CaptureDumps" + (New-Guid).ToString("N");

src/Components/Server/src/Circuits/RemoteRenderer.cs

@@ -25,7 +25,7 @@ namespace Microsoft.AspNetCore.Components.Server.Circuits
         private bool _disposing = false;
 
         /// <summary>
-        /// Notifies when a rendering exception occured.
+        /// Notifies when a rendering exception occurred.
         /// </summary>
         public event EventHandler<Exception> UnhandledException;
 

src/Components/Server/src/ComponentHub.cs

@@ -302,7 +302,7 @@ namespace Microsoft.AspNetCore.Components.Server
                 LoggerMessage.Define<CircuitId, string, string>(LogLevel.Debug, new EventId(7, "CreatedCircuit"), "Created circuit '{CircuitId}' with secret '{CircuitIdSecret}' for '{ConnectionId}'");
 
             private static readonly Action<ILogger, string, Exception> _invalidCircuitId =
-                LoggerMessage.Define<string>(LogLevel.Debug, new EventId(8, "InvalidCircuitId"), "ConnectAsync recieved an invalid circuit id '{CircuitIdSecret}'");
+                LoggerMessage.Define<string>(LogLevel.Debug, new EventId(8, "InvalidCircuitId"), "ConnectAsync received an invalid circuit id '{CircuitIdSecret}'");
 
             public static void ReceivedConfirmationForBatch(ILogger logger, long batchId) => _receivedConfirmationForBatch(logger, batchId, null);
 

src/Components/benchmarkapps/BlazingPizza.Server/ToppingsService.cs

@@ -90,7 +90,7 @@ namespace BlazingPizza.Server
                 },
                 new Topping()
                 {
-                    Name = "Fresh tomatos",
+                    Name = "Fresh tomatoes",
                     Price = 1.50m,
                 },
                 new Topping()

src/Features/JsonPatch/test/IntegrationTests/AnonymousObjectIntegrationTest.cs

@@ -147,7 +147,7 @@ namespace Microsoft.AspNetCore.JsonPatch.IntegrationTests
         }
 
         [Fact]
-        public void TestStringProperty_IsSucessful()
+        public void TestStringProperty_IsSuccessful()
         {
             // Arrange
             var targetObject = new

src/Features/JsonPatch/test/IntegrationTests/ExpandoObjectIntegrationTest.cs

@@ -106,7 +106,7 @@ namespace Microsoft.AspNetCore.JsonPatch.IntegrationTests
         }
 
         [Fact]
-        public void TestIntegerProperty_IsSucessful()
+        public void TestIntegerProperty_IsSuccessful()
         {
             // Arrange
             dynamic targetObject = new ExpandoObject();

src/Hosting/Hosting/src/Internal/HostingApplicationDiagnostics.cs

@@ -91,7 +91,7 @@ namespace Microsoft.AspNetCore.Hosting
             var startTimestamp = context.StartTimestamp;
             long currentTimestamp = 0;
 
-            // If startTimestamp was 0, then Information logging wasn't enabled at for this request (and calcuated time will be wildly wrong)
+            // If startTimestamp was 0, then Information logging wasn't enabled at for this request (and calculated time will be wildly wrong)
             // Is used as proxy to reduce calls to virtual: _logger.IsEnabled(LogLevel.Information)
             if (startTimestamp != 0)
             {
@@ -109,7 +109,7 @@ namespace Microsoft.AspNetCore.Hosting
 
                 if (exception == null)
                 {
-                    // No exception was thrown, request was sucessful
+                    // No exception was thrown, request was successful
                     if (_diagnosticListener.IsEnabled(DeprecatedDiagnosticsEndRequestKey))
                     {
                         // Diagnostics is enabled for EndRequest, but it may not be for BeginRequest

src/Http/Routing/src/DefaultLinkGenerator.cs

@@ -383,7 +383,7 @@ namespace Microsoft.AspNetCore.Routing
                 LogLevel.Debug,
                 EventIds.TemplateFailedExpansion,
                 "Failed to process the template {Template} for {Endpoint}. " +
-                "The failure occured while expanding the template with values {Values} " +
+                "The failure occurred while expanding the template with values {Values} " +
                 "This is usually due to a missing or empty value in a complex segment");
 
             private static readonly Action<ILogger, IEnumerable<string>, string, Exception> _linkGenerationSucceeded = LoggerMessage.Define<IEnumerable<string>, string>(
@@ -442,7 +442,7 @@ namespace Microsoft.AspNetCore.Routing
                 }
             }
 
-            public static void LinkGenerationSucceeded(ILogger logger, IEnumerable<Endpoint> endpoints, string  uri)
+            public static void LinkGenerationSucceeded(ILogger logger, IEnumerable<Endpoint> endpoints, string uri)
             {
                 // Checking level again to avoid allocation on the common path
                 if (logger.IsEnabled(LogLevel.Debug))

src/Http/Routing/test/UnitTests/Matching/BarebonesMatcherConformanceTest.cs

@@ -25,7 +25,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
 
         // Route values not supported
         [Fact]
-        public override Task Match_SingleParameter_WierdNames()
+        public override Task Match_SingleParameter_WeirdNames()
         {
             return Task.CompletedTask;
         }
@@ -35,7 +35,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
         [InlineData(null, null, null, null)]
         public override Task Match_MultipleParameters(string template, string path, string[] keys, string[] values)
         {
-            GC.KeepAlive(new object [] { template, path, keys, values });
+            GC.KeepAlive(new object[] { template, path, keys, values });
             return Task.CompletedTask;
         }
 

src/Http/Routing/test/UnitTests/Matching/FullFeaturedMatcherConformanceTest.cs

@@ -173,7 +173,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
 
         // Historically catchall segments don't match an empty segment, but only if it's
         // the first one. So `/a/b//` would match, but `/a//` would not. This is pretty
-        // wierd and inconsistent with the intent of using a catch all. The DfaMatcher
+        // weird and inconsistent with the intent of using a catch all. The DfaMatcher
         // fixes this issue.
         [Theory]
         [InlineData("/{a}/{*b=b}", "/a///", new[] { "a", "b", }, new[] { "a", "//" })]
@@ -313,7 +313,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
         [InlineData("(Controller).mvc", "/(Controller).mvc", new string[] { }, new string[] { })]
         [InlineData("Controller.mvc/ ", "/Controller.mvc/ ", new string[] { }, new string[] { })]
         [InlineData("Controller.mvc ", "/Controller.mvc ", new string[] { }, new string[] { })]
-        public virtual async Task Match_WierdCharacterCases(string template, string path, string[] keys, string[] values)
+        public virtual async Task Match_WeirdCharacterCases(string template, string path, string[] keys, string[] values)
         {
             // Arrange
             var (matcher, endpoint) = CreateMatcher(template);

src/Http/Routing/test/UnitTests/Matching/MatcherConformanceTest.SingleEndpoint.cs

@@ -239,7 +239,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
         }
 
         [Fact]
-        public virtual async Task Match_SingleParameter_WierdNames()
+        public virtual async Task Match_SingleParameter_WeirdNames()
         {
             // Arrange
             var (matcher, endpoint) = CreateMatcher("/foo/{ }/{.!$%}/{dynamic.data}");

src/Http/Routing/test/UnitTests/Patterns/RoutePatternParserTest.cs

@@ -239,7 +239,7 @@ namespace Microsoft.AspNetCore.Routing.Patterns
         }
 
         [Fact]
-        public void Parse_ComplexSegment_ThreeParametersSeperatedByPeriod()
+        public void Parse_ComplexSegment_ThreeParametersSeparatedByPeriod()
         {
             // Arrange
             var template = "{p1}.{p2}.{p3}";
@@ -352,7 +352,7 @@ namespace Microsoft.AspNetCore.Routing.Patterns
         [Theory]
         [InlineData(@"{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}}}$)}")] // extra }
         [InlineData(@"{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}}$)}}")] // extra } at the end
-        [InlineData(@"{{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}}$)}")] // extra { at the begining
+        [InlineData(@"{{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}}$)}")] // extra { at the beginning
         [InlineData(@"{p1:regex(([}])\w+}")] // Not escaped }
         [InlineData(@"{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}$)}")] // Not escaped }
         [InlineData(@"{p1:regex(abc)")]
@@ -400,7 +400,7 @@ namespace Microsoft.AspNetCore.Routing.Patterns
         [InlineData("..{p2?}", "..")]
         [InlineData("{p1}.abc.{p2?}", ".abc.")]
         [InlineData("{p1}{p2?}", "{p1}")]
-        public void Parse_ComplexSegment_OptionalParametersSeperatedByPeriod_Invalid(string template, string parameter)
+        public void Parse_ComplexSegment_OptionalParametersSeparatedByPeriod_Invalid(string template, string parameter)
         {
             // Act and Assert
             ExceptionAssert.Throws<RoutePatternException>(

src/Http/Routing/test/UnitTests/Template/TemplateParserTests.cs

@@ -325,7 +325,7 @@ namespace Microsoft.AspNetCore.Routing.Template.Tests
         }
 
         [Fact]
-        public void Parse_ComplexSegment_ThreeParametersSeperatedByPeriod()
+        public void Parse_ComplexSegment_ThreeParametersSeparatedByPeriod()
         {
             // Arrange
             var template = "{p1}.{p2}.{p3}";
@@ -498,7 +498,7 @@ namespace Microsoft.AspNetCore.Routing.Template.Tests
         [Theory]
         [InlineData(@"{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}}}$)}")] // extra }
         [InlineData(@"{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}}$)}}")] // extra } at the end
-        [InlineData(@"{{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}}$)}")] // extra { at the begining
+        [InlineData(@"{{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}}$)}")] // extra { at the beginning
         [InlineData(@"{p1:regex(([}])\w+}")] // Not escaped }
         [InlineData(@"{p1:regex(^\d{{3}}-\d{{3}}-\d{{4}$)}")] // Not escaped }
         [InlineData(@"{p1:regex(abc)")]
@@ -550,7 +550,7 @@ namespace Microsoft.AspNetCore.Routing.Template.Tests
         [InlineData("{p1}.abc.{p2?}", ".abc.")]
         [InlineData("{p1}{p2?}", "{p1}")]
         [ReplaceCulture]
-        public void Parse_ComplexSegment_OptionalParametersSeperatedByPeriod_Invalid(string template, string parameter)
+        public void Parse_ComplexSegment_OptionalParametersSeparatedByPeriod_Invalid(string template, string parameter)
         {
             // Act and Assert
             ExceptionAssert.Throws<ArgumentException>(

src/Http/WebUtilities/src/FormPipeReader.cs

@@ -167,7 +167,7 @@ namespace Microsoft.AspNetCore.WebUtilities
                     // If we're not in the final block, then consume nothing
                     if (!isFinalBlock)
                     {
-                        // Don't buffer indefinately
+                        // Don't buffer indefinitely
                         if ((uint)span.Length > (uint)KeyLengthLimit + (uint)ValueLengthLimit)
                         {
                             ThrowKeyOrValueTooLargeException();
@@ -236,7 +236,7 @@ namespace Microsoft.AspNetCore.WebUtilities
                 {
                     if (!isFinalBlock)
                     {
-                        // Don't buffer indefinately
+                        // Don't buffer indefinitely
                         if ((uint)(sequenceReader.Consumed - consumedBytes) > (uint)KeyLengthLimit + (uint)ValueLengthLimit)
                         {
                             ThrowKeyOrValueTooLargeException();

src/Http/WebUtilities/src/QueryHelpers.cs

@@ -85,7 +85,7 @@ namespace Microsoft.AspNetCore.WebUtilities
             var anchorIndex = uri.IndexOf('#');
             var uriToBeAppended = uri;
             var anchorText = "";
-            // If there is an anchor, then the query string must be inserted before its first occurence.
+            // If there is an anchor, then the query string must be inserted before its first occurrence.
             if (anchorIndex != -1)
             {
                 anchorText = uri.Substring(anchorIndex);

src/Installers/Windows/AspNetCoreModule-Setup/IIS-Setup/IIS-Common/Include/hashtable.h

@@ -406,7 +406,7 @@ HASH_TABLE<_Record,_Key>::InsertRecord(
 )
 /*++
   This method inserts a node for this record and also empty nodes for paths
-  in the heirarchy leading upto this path
+  in the hierarchy leading upto this path
 
   The insert is done under only a read-lock - this is possible by keeping
   the hashes in a bucket in increasing order and using interlocked operations

src/Installers/Windows/AspNetCoreModule-Setup/IIS-Setup/IIS-Common/Include/http_xp.h

@@ -582,7 +582,7 @@ typedef enum _HTTP_LOGGING_ROLLOVER_TYPE
 //      log file rollovers happen by GMT time.
 //
 // HTTP_LOGGING_FLAG_USE_UTF8_CONVERSION - When set the unicode fields
-//      will be converted to UTF8 multibytes when writting to the log
+//      will be converted to UTF8 multibytes when writing to the log
 //      files. When this flag is not present, the local code page
 //      conversion happens.
 //

src/Installers/Windows/AspNetCoreModule-Setup/IIS-Setup/IIS-Common/Include/percpu.h

@@ -79,7 +79,7 @@ private:
     );
 
     //
-    // Pointer to the begining of the inlined array.
+    // Pointer to the beginning of the inlined array.
     //
     PVOID   m_pVariables;
     SIZE_T  m_Alignment;

src/Installers/Windows/AspNetCoreModule-Setup/IIS-Setup/IIS-Common/Include/treehash.h

@@ -519,7 +519,7 @@ TREE_HASH_TABLE<_Record>::InsertRecord(
 )
 /*++
   This method inserts a node for this record and also empty nodes for paths
-  in the heirarchy leading upto this path
+  in the hierarchy leading upto this path
 
   The insert is done under only a read-lock - this is possible by keeping
   the hashes in a bucket in increasing order and using interlocked operations

src/Installers/Windows/AspNetCoreModule-Setup/IIS-Setup/IIS-Common/lib/stringa.cpp

@@ -1637,7 +1637,7 @@ Arguments:
 
 Return Value:
 
-    The index for the first character occurence in the string.
+    The index for the first character occurrence in the string.
 
     -1 if not found.
 
@@ -1684,7 +1684,7 @@ Arguments:
 
 Return Value:
 
-    The index for the first character occurence in the string.
+    The index for the first character occurrence in the string.
 
     -1 if not found.
 
@@ -1733,7 +1733,7 @@ Arguments:
 
 Return Value:
 
-    The index for the last character occurence in the string.
+    The index for the last character occurrence in the string.
 
     -1 if not found.
 

src/Installers/Windows/AspNetCoreModule-Setup/IIS-Setup/IIS-Common/lib/stringu.cpp

@@ -1083,7 +1083,7 @@ Arguments:
 
 Return Value:
 
-    The index for the first character occurence in the string.
+    The index for the first character occurrence in the string.
 
     -1 if not found.
 
@@ -1130,7 +1130,7 @@ Arguments:
 
 Return Value:
 
-    The index for the first character occurence in the string.
+    The index for the first character occurrence in the string.
 
     -1 if not found.
 
@@ -1179,7 +1179,7 @@ Arguments:
 
 Return Value:
 
-    The index for the last character occurence in the string.
+    The index for the last character occurrence in the string.
 
     -1 if not found.
 

src/Installers/Windows/AspNetCoreModule-Setup/IIS-Setup/iisca/lib/setup_log.h

@@ -20,7 +20,7 @@ enum SETUP_LOG_SEVERITY
 //consider using an IIS prefix for Msi* methods - they conflict with MSI apis
 
 //
-// Initalize logging once at begining of CA
+// Initialize logging once at beginning of CA
 //
 
 VOID

src/Middleware/SpaServices.Extensions/src/SpaOptions.cs

@@ -72,12 +72,12 @@ namespace Microsoft.AspNetCore.SpaServices
         public string SourcePath { get; set; }
 
         /// <summary>
-        /// Controls wether the development server should be used with a dynamic or fixed port.
+        /// Controls whether the development server should be used with a dynamic or fixed port.
         /// </summary>
         public int DevServerPort { get; set; } = default(int);
 
         /// <summary>
-        /// Gets or sets the name of the package manager executible, (e.g npm,
+        /// Gets or sets the name of the package manager executable, (e.g npm,
         /// yarn) to run the SPA.
         ///
         /// The default value is 'npm'.

src/MusicStore/samples/MusicStore/wwwroot/Scripts/jquery.validate-vsdoc.js

@@ -140,13 +140,13 @@ $.extend($.fn, {
             return valid;
         }
     },
-	// attributes: space seperated list of attributes to retrieve and remove
+	// attributes: space separated list of attributes to retrieve and remove
 	removeAttrs: function(attributes) {
 		/// <summary>
 		/// Remove the specified attributes from the first matched element and return them.
 		/// </summary>
 		/// <param name="attributes" type="String">
-		/// A space-seperated list of attribute names to remove.
+		/// A space-separated list of attribute names to remove.
 		/// </param>
 
 		var result = {},

src/MusicStore/samples/MusicStore/wwwroot/Scripts/jquery.validate.js

@@ -122,7 +122,7 @@ $.extend($.fn, {
 			return valid;
 		}
 	},
-	// attributes: space seperated list of attributes to retrieve and remove
+	// attributes: space separated list of attributes to retrieve and remove
 	removeAttrs: function( attributes ) {
 		var result = {},
 			$element = this;

src/Mvc/Mvc.Abstractions/src/ModelBinding/ModelError.cs

@@ -6,12 +6,12 @@ using System;
 namespace Microsoft.AspNetCore.Mvc.ModelBinding
 {
     /// <summary>
-    /// An error that occured during model binding and validation.
+    /// An error that occurred during model binding and validation.
     /// </summary>
     public class ModelError
     {
         /// <summary>
-        /// Intiializes a new instance of <see cref="ModelError"/> with the specified <paramref name="exception"/>.
+        /// Initializes a new instance of <see cref="ModelError"/> with the specified <paramref name="exception"/>.
         /// </summary>
         /// <param name="exception">The <see cref="System.Exception"/>.</param>
         public ModelError(Exception exception)
@@ -20,7 +20,7 @@ namespace Microsoft.AspNetCore.Mvc.ModelBinding
         }
 
         /// <summary>
-        /// Intiializes a new instance of <see cref="ModelError"/> with the specified <paramref name="exception"/>
+        /// Initializes a new instance of <see cref="ModelError"/> with the specified <paramref name="exception"/>
         /// and specified <paramref name="errorMessage"/>.
         /// </summary>
         /// <param name="exception">The <see cref="System.Exception"/>.</param>

src/Mvc/Mvc.Core/src/Resources.resx

@@ -511,7 +511,7 @@
     <value>Unexcepted end when reading JSON.</value>
   </data>
   <data name="ApiConventions_Title_500" xml:space="preserve">
-    <value>An error occured while processing your request.</value>
+    <value>An error occurred while processing your request.</value>
   </data>
   <data name="FailedToReadRequestForm" xml:space="preserve">
     <value>Failed to read the request form. {0}</value>

src/Mvc/Mvc.Core/test/ControllerBaseTest.cs

@@ -2416,7 +2416,7 @@ namespace Microsoft.AspNetCore.Mvc.Core.Test
             var problemDetails = Assert.IsType<ProblemDetails>(badRequestResult.Value);
             Assert.Equal(500, actionResult.StatusCode);
             Assert.Equal(500, problemDetails.Status);
-            Assert.Equal("An error occured while processing your request.", problemDetails.Title);
+            Assert.Equal("An error occurred while processing your request.", problemDetails.Title);
             Assert.Equal("https://tools.ietf.org/html/rfc7231#section-6.6.1", problemDetails.Type);
             Assert.Equal("some-trace", problemDetails.Extensions["traceId"]);
         }
@@ -2488,7 +2488,7 @@ namespace Microsoft.AspNetCore.Mvc.Core.Test
                     },
                     [500] = new ClientErrorData
                     {
-                        Title = "An error occured while processing your request.",
+                        Title = "An error occurred while processing your request.",
                         Link = "https://tools.ietf.org/html/rfc7231#section-6.6.1"
                     }
                 }

src/Mvc/Mvc.Core/test/Infrastructure/ProblemDetailsFactoryTest.cs

@@ -21,7 +21,7 @@ namespace Microsoft.AspNetCore.Mvc.Infrastructure
 
             // Assert
             Assert.Equal(500, problemDetails.Status);
-            Assert.Equal("An error occured while processing your request.", problemDetails.Title);
+            Assert.Equal("An error occurred while processing your request.", problemDetails.Title);
             Assert.Equal("https://tools.ietf.org/html/rfc7231#section-6.6.1", problemDetails.Type);
             Assert.Null(problemDetails.Instance);
             Assert.Null(problemDetails.Detail);

src/ProjectTemplates/Web.Spa.ProjectTemplates/content/Angular-CSharp/ClientApp/src/api-authorization/login/login.component.ts

@@ -101,7 +101,7 @@ export class LoginComponent implements OnInit {
 
   private getReturnUrl(state?: INavigationState): string {
     const fromQuery = (this.activatedRoute.snapshot.queryParams as INavigationState).returnUrl;
-    // If the url is comming from the query string, check that is either
+    // If the url is coming from the query string, check that is either
     // a relative url or an absolute url
     if (fromQuery &&
       !(fromQuery.startsWith(`${window.location.origin}/`) ||

src/ProjectTemplates/Web.Spa.ProjectTemplates/content/Angular-CSharp/ClientApp/src/api-authorization/logout/logout.component.ts

@@ -95,7 +95,7 @@ export class LogoutComponent implements OnInit {
 
   private getReturnUrl(state?: INavigationState): string {
     const fromQuery = (this.activatedRoute.snapshot.queryParams as INavigationState).returnUrl;
-    // If the url is comming from the query string, check that is either
+    // If the url is coming from the query string, check that is either
     // a relative url or an absolute url
     if (fromQuery &&
       !(fromQuery.startsWith(`${window.location.origin}/`) ||

src/Security/Authentication/Negotiate/src/Events/AuthenticationFailedContext.cs

@@ -24,7 +24,7 @@ namespace Microsoft.AspNetCore.Authentication.Negotiate
             : base(context, scheme, options, properties: null) { }
 
         /// <summary>
-        /// The exception that occured while processing the authentication.
+        /// The exception that occurred while processing the authentication.
         /// </summary>
         public Exception Exception { get; set; }
     }

src/Security/Authentication/Negotiate/src/Internal/ReflectedNegotiateState.cs

@@ -123,7 +123,7 @@ namespace Microsoft.AspNetCore.Authentication.Negotiate
                         errorCode = SecurityStatusPalErrorCode.UnknownCredentials;
                     }
 
-                    error = new Exception($"An authentication exception occured (0x{majorStatus:X}/0x{minorStatus:X}).", error);
+                    error = new Exception($"An authentication exception occurred (0x{majorStatus:X}/0x{minorStatus:X}).", error);
                 }
 
                 if (errorCode == SecurityStatusPalErrorCode.OK

src/Security/Authentication/Negotiate/test/Negotiate.Test/EventTests.cs

@@ -131,7 +131,7 @@ namespace Microsoft.AspNetCore.Authentication.Negotiate
                     {
                         eventInvoked++;
                         Assert.IsType<Exception>(context.Exception);
-                        Assert.Equal("A test other error occured", context.Exception.Message);
+                        Assert.Equal("A test other error occurred", context.Exception.Message);
                         return Task.CompletedTask;
                     }
                 };
@@ -140,7 +140,7 @@ namespace Microsoft.AspNetCore.Authentication.Negotiate
 
             var ex = await Assert.ThrowsAsync<Exception>(() =>
                 SendAsync(server, "/404", new TestConnection(), "Negotiate OtherError"));
-            Assert.Equal("A test other error occured", ex.Message);
+            Assert.Equal("A test other error occurred", ex.Message);
             Assert.Equal(1, eventInvoked);
         }
 
@@ -182,7 +182,7 @@ namespace Microsoft.AspNetCore.Authentication.Negotiate
                     {
                         eventInvoked++;
                         Assert.IsType<Exception>(context.Exception);
-                        Assert.Equal("A test credential error occured", context.Exception.Message);
+                        Assert.Equal("A test credential error occurred", context.Exception.Message);
                         return Task.CompletedTask;
                     }
                 };
@@ -232,7 +232,7 @@ namespace Microsoft.AspNetCore.Authentication.Negotiate
                     {
                         eventInvoked++;
                         Assert.IsType<Exception>(context.Exception);
-                        Assert.Equal("A test client error occured", context.Exception.Message);
+                        Assert.Equal("A test client error occurred", context.Exception.Message);
                         return Task.CompletedTask;
                     }
                 };
@@ -555,15 +555,15 @@ namespace Microsoft.AspNetCore.Authentication.Negotiate
                         return "ServerKerberosBlob2";
                     case "CredentialError":
                         errorType = BlobErrorType.CredentialError;
-                        ex = new Exception("A test credential error occured");
+                        ex = new Exception("A test credential error occurred");
                         return null;
                     case "ClientError":
                         errorType = BlobErrorType.ClientError;
-                        ex = new Exception("A test client error occured");
+                        ex = new Exception("A test client error occurred");
                         return null;
                     case "OtherError":
                         errorType = BlobErrorType.Other;
-                        ex = new Exception("A test other error occured");
+                        ex = new Exception("A test other error occurred");
                         return null;
                     default:
                         errorType = BlobErrorType.Other;

src/Security/Authentication/Negotiate/test/Negotiate.Test/NegotiateHandlerTests.cs

@@ -301,7 +301,7 @@ namespace Microsoft.AspNetCore.Authentication.Negotiate
             var testConnection = new TestConnection();
 
             var ex = await Assert.ThrowsAsync<Exception>(() => SendAsync(server, "/404", testConnection, "Negotiate OtherError"));
-            Assert.Equal("A test other error occured", ex.Message);
+            Assert.Equal("A test other error occurred", ex.Message);
         }
 
         // Single Stage
@@ -552,15 +552,15 @@ namespace Microsoft.AspNetCore.Authentication.Negotiate
                         return "ServerKerberosBlob2";
                     case "CredentialError":
                         errorType = BlobErrorType.CredentialError;
-                        ex = new Exception("A test credential error occured");
+                        ex = new Exception("A test credential error occurred");
                         return null;
                     case "ClientError":
                         errorType = BlobErrorType.ClientError;
-                        ex = new Exception("A test client error occured");
+                        ex = new Exception("A test client error occurred");
                         return null;
                     case "OtherError":
                         errorType = BlobErrorType.Other;
-                        ex = new Exception("A test other error occured");
+                        ex = new Exception("A test other error occurred");
                         return null;
                     default:
                         errorType = BlobErrorType.Other;

src/Security/Authentication/OpenIdConnect/samples/OpenIdConnect.AzureAdSample/Startup.cs

@@ -148,7 +148,7 @@ namespace OpenIdConnect.AzureAdSample
                         }
                         catch (Exception ex)
                         {
-                            await response.WriteAsync($"AquireToken error: {ex.Message}");
+                            await response.WriteAsync($"AcquireToken error: {ex.Message}");
                         }
                     });
                 }

src/Security/Authentication/test/CertificateTests.cs

@@ -48,7 +48,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 new CertificateAuthenticationOptions
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedValidWithClientEku);
 
@@ -63,7 +63,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 new CertificateAuthenticationOptions
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedValidWithNoEku);
 
@@ -92,7 +92,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 new CertificateAuthenticationOptions
                 {
                     AllowedCertificateTypes = CertificateTypes.Chained,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedValidWithNoEku);
 
@@ -107,7 +107,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 new CertificateAuthenticationOptions
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedValidWithServerEku);
 
@@ -123,7 +123,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
                     ValidateCertificateUse = false,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedValidWithServerEku);
 
@@ -139,7 +139,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 {
                     AllowedCertificateTypes = CertificateTypes.Chained,
                     ValidateCertificateUse = false,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedValidWithServerEku);
 
@@ -155,7 +155,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
                     ValidateCertificateUse = false,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedExpired);
 
@@ -171,7 +171,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
                     ValidateValidityPeriod = false,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedExpired);
 
@@ -187,7 +187,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
                     ValidateCertificateUse = false,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedNotYetValid);
 
@@ -203,7 +203,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
                     ValidateValidityPeriod = false,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 Certificates.SelfSignedNotYetValid);
 
@@ -248,7 +248,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
             var server = CreateServer(
                 new CertificateAuthenticationOptions
                 {
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 });
 
             var response = await server.CreateClient().GetAsync("https://example.com/");
@@ -262,9 +262,9 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 new CertificateAuthenticationOptions
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
-                wireUpHeaderMiddleware : true);
+                wireUpHeaderMiddleware: true);
 
             var client = server.CreateClient();
             client.DefaultRequestHeaders.Add("X-Client-Cert", Convert.ToBase64String(Certificates.SelfSignedValidWithNoEku.RawData));
@@ -278,7 +278,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
             var server = CreateServer(
                 new CertificateAuthenticationOptions
                 {
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 wireUpHeaderMiddleware: true);
 
@@ -295,7 +295,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
                 new CertificateAuthenticationOptions
                 {
                     AllowedCertificateTypes = CertificateTypes.SelfSigned,
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 wireUpHeaderMiddleware: true,
                 headerName: "X-ARR-ClientCert");
@@ -312,7 +312,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
             var server = CreateServer(
                 new CertificateAuthenticationOptions
                 {
-                    Events = sucessfulValidationEvents
+                    Events = successfulValidationEvents
                 },
                 wireUpHeaderMiddleware: true,
                 headerName: "X-ARR-ClientCert");
@@ -564,7 +564,7 @@ namespace Microsoft.AspNetCore.Authentication.Certificate.Test
             return server;
         }
 
-        private CertificateAuthenticationEvents sucessfulValidationEvents = new CertificateAuthenticationEvents()
+        private CertificateAuthenticationEvents successfulValidationEvents = new CertificateAuthenticationEvents()
         {
             OnCertificateValidated = context =>
             {

src/Servers/HttpSys/src/Resources.resx

@@ -148,6 +148,6 @@
     <value>The given IAsyncResult does not match this opperation.</value>
   </data>
   <data name="Warning_ExceptionInOnResponseCompletedAction" xml:space="preserve">
-    <value>An exception occured while running an action registered with {0}.</value>
+    <value>An exception occurred while running an action registered with {0}.</value>
   </data>
 </root>

src/Servers/HttpSys/test/FunctionalTests/ResponseTrailersTests.cs

@@ -266,7 +266,7 @@ namespace Microsoft.AspNetCore.Server.HttpSys
 
         [ConditionalFact]
         [MinimumOSVersion(OperatingSystems.Windows, "10.0.19529", SkipReason = "Requires HTTP/2 Trailers support.")]
-        public async Task ResponseTrailers_MultipleValues_SentAsSeperateHeaders()
+        public async Task ResponseTrailers_MultipleValues_SentAsSeparateHeaders()
         {
             using (Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
             {
@@ -278,7 +278,7 @@ namespace Microsoft.AspNetCore.Server.HttpSys
                 response.EnsureSuccessStatusCode();
                 Assert.Equal(HttpVersion.Version20, response.Version);
                 Assert.NotEmpty(response.TrailingHeaders);
-                // We can't actually assert they are sent as seperate headers using HttpClient, we'd have to write a lower level test
+                // We can't actually assert they are sent as separate headers using HttpClient, we'd have to write a lower level test
                 // that read the header frames directly.
                 Assert.Equal(new[] { "TrailerValue0", "TrailerValue1" }, response.TrailingHeaders.GetValues("TrailerName"));
             }

src/Servers/IIS/AspNetCoreModuleV2/CommonLib/ConfigurationLoadException.h

@@ -9,7 +9,7 @@ class ConfigurationLoadException: public std::runtime_error
 {
     public:
         ConfigurationLoadException(std::wstring msg)
-            : runtime_error("Configuration load exception has occured"), message(std::move(msg))
+            : runtime_error("Configuration load exception has occurred"), message(std::move(msg))
         {
         }
 

src/Servers/IIS/AspNetCoreModuleV2/IISLib/hashtable.h

@@ -406,7 +406,7 @@ HASH_TABLE<_Record,_Key>::InsertRecord(
 )
 /*++
   This method inserts a node for this record and also empty nodes for paths
-  in the heirarchy leading upto this path
+  in the hierarchy leading upto this path
 
   The insert is done under only a read-lock - this is possible by keeping
   the hashes in a bucket in increasing order and using interlocked operations

src/Servers/IIS/AspNetCoreModuleV2/IISLib/percpu.h

@@ -82,7 +82,7 @@ private:
     );
 
     //
-    // Pointer to the begining of the inlined array.
+    // Pointer to the beginning of the inlined array.
     //
     PVOID   m_pVariables;
     SIZE_T  m_Alignment;

src/Servers/IIS/AspNetCoreModuleV2/IISLib/stringa.cpp

@@ -1637,7 +1637,7 @@ Arguments:
 
 Return Value:
 
-    The index for the first character occurence in the string.
+    The index for the first character occurrence in the string.
 
     -1 if not found.
 
@@ -1684,7 +1684,7 @@ Arguments:
 
 Return Value:
 
-    The index for the first character occurence in the string.
+    The index for the first character occurrence in the string.
 
     -1 if not found.
 
@@ -1733,7 +1733,7 @@ Arguments:
 
 Return Value:
 
-    The index for the last character occurence in the string.
+    The index for the last character occurrence in the string.
 
     -1 if not found.
 

src/Servers/IIS/AspNetCoreModuleV2/IISLib/stringu.cpp

@@ -1065,7 +1065,7 @@ Arguments:
 
 Return Value:
 
-    The index for the first character occurence in the string.
+    The index for the first character occurrence in the string.
 
     -1 if not found.
 
@@ -1112,7 +1112,7 @@ Arguments:
 
 Return Value:
 
-    The index for the first character occurence in the string.
+    The index for the first character occurrence in the string.
 
     -1 if not found.
 
@@ -1161,7 +1161,7 @@ Arguments:
 
 Return Value:
 
-    The index for the last character occurence in the string.
+    The index for the last character occurrence in the string.
 
     -1 if not found.
 

src/Servers/IIS/AspNetCoreModuleV2/IISLib/treehash.h

@@ -417,7 +417,7 @@ TREE_HASH_TABLE<_Record>::AddNodeInternal(
     TREE_HASH_NODE<_Record> **  ppNewNode
 )
 /*++
-  Return value is HRESULT indicating sucess or failure
+  Return value is HRESULT indicating success or failure
   pszPath, dwHash, pRecord - path, hash value and record to be inserted
   pParentNode - this will be the parent of the node being inserted
   ppNewNode - on successful return, the new node created and inserted
@@ -519,7 +519,7 @@ TREE_HASH_TABLE<_Record>::InsertRecord(
 )
 /*++
   This method inserts a node for this record and also empty nodes for paths
-  in the heirarchy leading upto this path
+  in the hierarchy leading upto this path
 
   The insert is done under only a read-lock - this is possible by keeping
   the hashes in a bucket in increasing order and using interlocked operations

src/Servers/IIS/AspNetCoreModuleV2/InProcessRequestHandler/inprocessapplication.cpp

@@ -247,13 +247,13 @@ IN_PROCESS_APPLICATION::ExecuteApplication()
         auto startupReturnCode = context->m_hostFxr.InitializeForApp(context->m_argc, context->m_argv.get(), m_dotnetExeKnownLocation);
         if (startupReturnCode != 0)
         {
-            throw InvalidOperationException(format(L"Error occured when initializing inprocess application, Return code: 0x%x", startupReturnCode));
+            throw InvalidOperationException(format(L"Error occurred when initializing in-process application, Return code: 0x%x", startupReturnCode));
         }
 
         if (m_pConfig->QueryCallStartupHook())
         {
             PWSTR startupHookValue = NULL;
-            // Will get property not found if the enviroment variable isn't set.
+            // Will get property not found if the environment variable isn't set.
             context->m_hostFxr.GetRuntimePropertyValue(DOTNETCORE_STARTUP_HOOK, &startupHookValue);
 
             if (startupHookValue == NULL)

src/Servers/Kestrel/Core/src/Internal/Http/ChunkWriter.cs

@@ -34,7 +34,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
 
             for (shift = total; shift >= 0; shift -= 4)
             {
-                // Using Unsafe.Add to elide the bounds check on _hex as the & 0x0f definately
+                // Using Unsafe.Add to elide the bounds check on _hex as the & 0x0f definitely
                 // constrains it to the range 0x0 - 0xf, matching the bounds of the array
                 span[offset] = Unsafe.Add(ref startHex, ((dataCount >> shift) & 0x0f));
                 offset++;
@@ -56,7 +56,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
             // bytes for the chunked prefix, so we would have to copy once we call advance. Therefore, to avoid this scenario,
             // we slice the memory by one byte.
 
-            // See https://gist.github.com/halter73/af2b9f78978f83813b19e187c4e5309e if you would like to tweek the algorithm at all.
+            // See https://gist.github.com/halter73/af2b9f78978f83813b19e187c4e5309e if you would like to tweak the algorithm at all.
 
             if (length <= 65544)
             {

src/Servers/Kestrel/Core/src/Internal/Http/HttpParser.cs

@@ -241,7 +241,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
                             {
                                 TakeSingleHeader(pHeader, length, handler);
                             }
-                            // Read the header sucessfully, skip the reader forward past the header line.
+                            // Read the header successfully, skip the reader forward past the header line.
                             reader.Advance(length);
                             span = span.Slice(length);
                         }

src/Servers/Kestrel/Core/src/Internal/Http2/Http2Connection.cs

@@ -197,7 +197,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
                     var result = await Input.ReadAsync();
                     var buffer = result.Buffer;
 
-                    // Call UpdateCompletedStreams() prior to frame processing in order to remove any streams that have exceded their drain timeouts.
+                    // Call UpdateCompletedStreams() prior to frame processing in order to remove any streams that have exceeded their drain timeouts.
                     UpdateCompletedStreams();
 
                     try
@@ -921,7 +921,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
 
                 if (_clientActiveStreamCount > _serverSettings.MaxConcurrentStreams)
                 {
-                    // The protocol default stream limit is infinite so the client can excede our limit at the start of the connection.
+                    // The protocol default stream limit is infinite so the client can exceed our limit at the start of the connection.
                     // Refused streams can be retried, by which time the client must have received our settings frame with our limit information.
                     throw new Http2StreamErrorException(_currentHeadersStream.StreamId, CoreStrings.Http2ErrorMaxStreams, Http2ErrorCode.REFUSED_STREAM);
                 }

src/Servers/Kestrel/Core/src/Internal/Infrastructure/KestrelConnection.cs

@@ -124,7 +124,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure
                 }
                 catch (Exception ex)
                 {
-                    Logger.LogError(ex, "An error occured running an IConnectionCompleteFeature.OnCompleted callback.");
+                    Logger.LogError(ex, "An error occurred running an IConnectionCompleteFeature.OnCompleted callback.");
                 }
             }
 
@@ -139,7 +139,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure
             }
             catch (Exception ex)
             {
-                Logger.LogError(ex, "An error occured running an IConnectionCompleteFeature.OnCompleted callback.");
+                Logger.LogError(ex, "An error occurred running an IConnectionCompleteFeature.OnCompleted callback.");
             }
 
             while (onCompleted.TryPop(out var entry))
@@ -150,7 +150,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure
                 }
                 catch (Exception ex)
                 {
-                    Logger.LogError(ex, "An error occured running an IConnectionCompleteFeature.OnCompleted callback.");
+                    Logger.LogError(ex, "An error occurred running an IConnectionCompleteFeature.OnCompleted callback.");
                 }
             }
         }

src/Servers/Kestrel/Core/test/ConnectionDispatcherTests.cs

@@ -114,7 +114,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
             Assert.Equal(stateObject, callbackState);
             var errors = logger.Messages.Where(e => e.LogLevel >= LogLevel.Error).ToArray();
             Assert.Single(errors);
-            Assert.Equal("An error occured running an IConnectionCompleteFeature.OnCompleted callback.", errors[0].Message);
+            Assert.Equal("An error occurred running an IConnectionCompleteFeature.OnCompleted callback.", errors[0].Message);
         }
 
         private class ThrowingListener : IConnectionListener

src/Servers/Kestrel/test/Interop.FunctionalTests/HttpClientHttp2InteropTests.cs

@@ -201,7 +201,7 @@ namespace Interop.FunctionalTests
         private class BulkContent : HttpContent
         {
             private static readonly byte[] Content;
-            private static readonly int Repititions = 200;
+            private static readonly int Repetitions = 200;
 
             static BulkContent()
             {
@@ -214,7 +214,7 @@ namespace Interop.FunctionalTests
 
             protected override async Task SerializeToStreamAsync(Stream stream, TransportContext context)
             {
-                for (var i = 0; i < Repititions; i++)
+                for (var i = 0; i < Repetitions; i++)
                 {
                     using (var timer = new CancellationTokenSource(TimeSpan.FromSeconds(30)))
                     {
@@ -244,7 +244,7 @@ namespace Interop.FunctionalTests
                 while (read > 0)
                 {
                     totalRead += read;
-                    Assert.True(totalRead <= Repititions * Content.Length, "Too Long");
+                    Assert.True(totalRead <= Repetitions * Content.Length, "Too Long");
 
                     for (var offset = 0; offset < read; offset++)
                     {
@@ -256,7 +256,7 @@ namespace Interop.FunctionalTests
                     read = await stream.ReadAsync(buffer, 0, buffer.Length, timer.Token).DefaultTimeout();
                 }
 
-                Assert.True(totalRead == Repititions * Content.Length, "Too Short");
+                Assert.True(totalRead == Repetitions * Content.Length, "Too Short");
             }
         }
 
@@ -1064,7 +1064,7 @@ namespace Interop.FunctionalTests
             {
                 request.Headers.Add("header" + i, oneKbString + i);
             }
-            request.Headers.Host = "localhost"; // The default Host header has a random port value wich can cause the length to vary.
+            request.Headers.Host = "localhost"; // The default Host header has a random port value which can cause the length to vary.
             var requestTask = client.SendAsync(request);
             var response = await requestTask.DefaultTimeout();
             await serverResult.Task.DefaultTimeout();
@@ -1128,7 +1128,7 @@ namespace Interop.FunctionalTests
         [Theory]
         // Expect this to change when the client implements dynamic request header compression.
         // Will the client send the first headers before receiving our settings frame?
-        // We'll probobly need to ensure the settings changes are ack'd before enforcing them.
+        // We'll probably need to ensure the settings changes are ack'd before enforcing them.
         [MemberData(nameof(SupportedSchemes))]
         public async Task Settings_HeaderTableSize_CanBeReduced_Server(string scheme)
         {
@@ -1186,7 +1186,7 @@ namespace Interop.FunctionalTests
         }
 
         // Settings_HeaderTableSize_CanBeReduced_Client - The client uses the default 4k HPACK dynamic table size and it cannot be changed.
-        // Nor does Kestrel yet support sending dynaimc table updates, so there's nothing to test here. https://github.com/dotnet/aspnetcore/issues/4715
+        // Nor does Kestrel yet support sending dynamic table updates, so there's nothing to test here. https://github.com/dotnet/aspnetcore/issues/4715
 
         [Theory]
         [MemberData(nameof(SupportedSchemes))]
@@ -1243,7 +1243,7 @@ namespace Interop.FunctionalTests
 
             // SKIP: https://github.com/dotnet/aspnetcore/issues/17842
             // The client initially issues all 10 requests before receiving the settings, has 5 refused (after receiving the settings),
-            // waits for the first 5 to finish, retries the refused 5, and in the end each request completes sucesfully despite the logged errors.
+            // waits for the first 5 to finish, retries the refused 5, and in the end each request completes successfully despite the logged errors.
             // Assert.Empty(TestSink.Writes.Where(context => context.Message.Contains("HTTP/2 stream error")));
 
             await host.StopAsync().DefaultTimeout();
@@ -1304,7 +1304,7 @@ namespace Interop.FunctionalTests
 
             // SKIP: https://github.com/dotnet/aspnetcore/issues/17842
             // The client initially issues all 10 requests before receiving the settings, has 5 refused (after receiving the settings),
-            // waits for the first 5 to finish, retries the refused 5, and in the end each request completes sucesfully despite the logged errors.
+            // waits for the first 5 to finish, retries the refused 5, and in the end each request completes successfully despite the logged errors.
             // Assert.Empty(TestSink.Writes.Where(context => context.Message.Contains("HTTP/2 stream error")));
 
             await host.StopAsync().DefaultTimeout();
@@ -1356,7 +1356,7 @@ namespace Interop.FunctionalTests
                 {
                     ConfigureKestrel(webHostBuilder, scheme);
                     webHostBuilder.ConfigureServices(AddTestLogging)
-                    .Configure(app => app.Run(context => throw new NotImplementedException() ));
+                    .Configure(app => app.Run(context => throw new NotImplementedException()));
                 });
             using var host = await hostBuilder.StartAsync().DefaultTimeout();
 

src/Shared/Diagnostics/BaseView.cs

@@ -102,11 +102,11 @@ namespace Microsoft.AspNetCore.DiagnosticsViewPage.Views
 
         private string AttributeEnding { get; set; }
 
-        protected void BeginWriteAttribute(string name, string begining, int startPosition, string ending, int endPosition, int thingy)
+        protected void BeginWriteAttribute(string name, string beginning, int startPosition, string ending, int endPosition, int thingy)
         {
             Debug.Assert(string.IsNullOrEmpty(AttributeEnding));
 
-            Output.Write(begining);
+            Output.Write(beginning);
             AttributeEnding = ending;
         }
 

src/Shared/RazorViews/BaseView.cs

@@ -149,11 +149,11 @@ namespace Microsoft.Extensions.RazorViews
 
         private string AttributeEnding { get; set; }
 
-        protected void BeginWriteAttribute(string name, string begining, int startPosition, string ending, int endPosition, int thingy)
+        protected void BeginWriteAttribute(string name, string beginning, int startPosition, string ending, int endPosition, int thingy)
         {
             Debug.Assert(string.IsNullOrEmpty(AttributeEnding));
 
-            Output.Write(begining);
+            Output.Write(beginning);
             AttributeEnding = ending;
         }
 

src/SignalR/server/Core/src/Internal/HubMethodDescriptor.cs

@@ -132,13 +132,13 @@ namespace Microsoft.AspNetCore.SignalR.Internal
 
             var genericMethodInfo = adapterMethodInfo.MakeGenericMethod(streamReturnType);
             var methodParameters = genericMethodInfo.GetParameters();
-            var methodArguements = new Expression[]
+            var methodArguments = new Expression[]
             {
                 Expression.Convert(parameters[0], methodParameters[0].ParameterType),
                 parameters[1],
             };
 
-            var methodCall = Expression.Call(null, genericMethodInfo, methodArguements);
+            var methodCall = Expression.Call(null, genericMethodInfo, methodArguments);
             var lambda = Expression.Lambda<Func<object, CancellationToken, IAsyncEnumerable<object>>>(methodCall, parameters);
             return lambda.Compile();
         }

src/SignalR/server/SignalR/test/HubConnectionHandlerTestUtils/Hubs.cs

@@ -667,7 +667,7 @@ namespace Microsoft.AspNetCore.SignalR.Tests
             return new AsyncEnumerableImpl<string>(CounterAsyncEnumerable(count));
         }
 
-        public AsyncEnumerableImplChannelThrows<string> AsyncEnumerableIsPreferedOverChannelReader(int count)
+        public AsyncEnumerableImplChannelThrows<string> AsyncEnumerableIsPreferredOverChannelReader(int count)
         {
             return new AsyncEnumerableImplChannelThrows<string>(CounterChannel(count));
         }

src/SignalR/server/SignalR/test/HubConnectionHandlerTests.cs

@@ -2136,7 +2136,7 @@ namespace Microsoft.AspNetCore.SignalR.Tests
                     nameof(StreamingHub.CounterAsyncEnumerable),
                     nameof(StreamingHub.CounterAsyncEnumerableAsync),
                     nameof(StreamingHub.CounterAsyncEnumerableImpl),
-                    nameof(StreamingHub.AsyncEnumerableIsPreferedOverChannelReader),
+                    nameof(StreamingHub.AsyncEnumerableIsPreferredOverChannelReader),
                 };
 
                 foreach (var method in methods)

src/SignalR/server/StackExchangeRedis/src/RedisOptions.cs

@@ -30,7 +30,7 @@ namespace Microsoft.AspNetCore.SignalR.StackExchangeRedis
 
         internal async Task<IConnectionMultiplexer> ConnectAsync(TextWriter log)
         {
-            // Factory is publically settable. Assigning to a local variable before null check for thread safety.
+            // Factory is publicly settable. Assigning to a local variable before null check for thread safety.
             var factory = ConnectionFactory;
             if (factory == null)
             {