diff --git a/src/Microsoft.AspNetCore.Authorization/AuthorizationHandlerContext.cs b/src/Microsoft.AspNetCore.Authorization/AuthorizationHandlerContext.cs
index 65aafa2bb6..5dc57c278a 100644
--- a/src/Microsoft.AspNetCore.Authorization/AuthorizationHandlerContext.cs
+++ b/src/Microsoft.AspNetCore.Authorization/AuthorizationHandlerContext.cs
@@ -55,7 +55,7 @@ namespace Microsoft.AspNetCore.Authorization
         public object Resource { get; }
 
         /// <summary>
-        /// Gets the requirements that have not yet been succeeded.
+        /// Gets the requirements that have not yet been marked as succeeded.
         /// </summary>
         public IEnumerable<IAuthorizationRequirement> PendingRequirements { get { return _pendingRequirements; } }
 
diff --git a/src/Microsoft.AspNetCore.Authorization/AuthorizationOptions.cs b/src/Microsoft.AspNetCore.Authorization/AuthorizationOptions.cs
index 5031c68b9e..fa9e9ef1ee 100644
--- a/src/Microsoft.AspNetCore.Authorization/AuthorizationOptions.cs
+++ b/src/Microsoft.AspNetCore.Authorization/AuthorizationOptions.cs
@@ -14,7 +14,7 @@ namespace Microsoft.AspNetCore.Authorization
         private IDictionary<string, AuthorizationPolicy> PolicyMap { get; } = new Dictionary<string, AuthorizationPolicy>(StringComparer.OrdinalIgnoreCase);
 
         /// <summary>
-        /// Gets or sets the default authoization policy.
+        /// Gets or sets the default authorization policy.
         /// </summary>
         /// <remarks>
         /// The default policy is to require any authenticated user.
diff --git a/src/Microsoft.AspNetCore.Authorization/AuthorizationPolicy.cs b/src/Microsoft.AspNetCore.Authorization/AuthorizationPolicy.cs
index 41eb7aadeb..3fe0cdd070 100644
--- a/src/Microsoft.AspNetCore.Authorization/AuthorizationPolicy.cs
+++ b/src/Microsoft.AspNetCore.Authorization/AuthorizationPolicy.cs
@@ -52,7 +52,7 @@ namespace Microsoft.AspNetCore.Authorization
         public IReadOnlyList<IAuthorizationRequirement> Requirements { get; }
 
         /// <summary>
-        /// Gets a readonly list of rhe authentication schemes the <see cref="AuthorizationPolicy.Requirements"/> 
+        /// Gets a readonly list of the authentication schemes the <see cref="AuthorizationPolicy.Requirements"/> 
         /// are evaluated against.
         /// </summary>
         public IReadOnlyList<string> AuthenticationSchemes { get; }
@@ -100,13 +100,13 @@ namespace Microsoft.AspNetCore.Authorization
 
         /// <summary>
         /// Combines the <see cref="AuthorizationPolicy"/> provided by the specified
-        /// <paramref name="policyProvider"/>
+        /// <paramref name="policyProvider"/>.
         /// </summary>
         /// <param name="policyProvider">A <see cref="IAuthorizationPolicyProvider"/> which provides the policies to combine.</param>
         /// <param name="authorizeData">A collection of authorization data used to apply authorization to a resource.</param>
         /// <returns>
         /// A new <see cref="AuthorizationPolicy"/> which represents the combination of the
-        /// authorization policies provided by specified <paramref name="policyProvider"/>.
+        /// authorization policies provided by the specified <paramref name="policyProvider"/>.
         /// </returns>
         public static async Task<AuthorizationPolicy> CombineAsync(IAuthorizationPolicyProvider policyProvider, IEnumerable<IAuthorizeData> authorizeData)
         {
diff --git a/src/Microsoft.AspNetCore.Authorization/AuthorizationServiceExtensions.cs b/src/Microsoft.AspNetCore.Authorization/AuthorizationServiceExtensions.cs
index 197e89cf8d..3b78c952eb 100644
--- a/src/Microsoft.AspNetCore.Authorization/AuthorizationServiceExtensions.cs
+++ b/src/Microsoft.AspNetCore.Authorization/AuthorizationServiceExtensions.cs
@@ -22,7 +22,7 @@ namespace Microsoft.AspNetCore.Authorization
         /// <param name="requirement">The requirement to evaluate the policy against.</param>
         /// <returns>
         /// A flag indicating whether requirement evaluation has succeeded or failed.
-        /// This value is <value>true</value> when the user fulfills the policy otherwise <value>false</value>.
+        /// This value is <value>true</value> when the user fulfills the policy, otherwise <value>false</value>.
         /// </returns>
         public static Task<bool> AuthorizeAsync(this IAuthorizationService service, ClaimsPrincipal user, object resource, IAuthorizationRequirement requirement)
         {
@@ -48,7 +48,7 @@ namespace Microsoft.AspNetCore.Authorization
         /// <param name="policy">The policy to evaluate.</param>
         /// <returns>
         /// A flag indicating whether policy evaluation has succeeded or failed.
-        /// This value is <value>true</value> when the user fulfills the policy otherwise <value>false</value>.
+        /// This value is <value>true</value> when the user fulfills the policy, otherwise <value>false</value>.
         /// </returns>
         public static Task<bool> AuthorizeAsync(this IAuthorizationService service, ClaimsPrincipal user, object resource, AuthorizationPolicy policy)
         {
@@ -73,7 +73,7 @@ namespace Microsoft.AspNetCore.Authorization
         /// <param name="policy">The policy to evaluate.</param>
         /// <returns>
         /// A flag indicating whether policy evaluation has succeeded or failed.
-        /// This value is <value>true</value> when the user fulfills the policy otherwise <value>false</value>.
+        /// This value is <value>true</value> when the user fulfills the policy, otherwise <value>false</value>.
         /// </returns>
         public static Task<bool> AuthorizeAsync(this IAuthorizationService service, ClaimsPrincipal user, AuthorizationPolicy policy)
         {
@@ -98,7 +98,7 @@ namespace Microsoft.AspNetCore.Authorization
         /// <param name="policyName">The name of the policy to evaluate.</param>
         /// <returns>
         /// A flag indicating whether policy evaluation has succeeded or failed.
-        /// This value is <value>true</value> when the user fulfills the policy otherwise <value>false</value>.
+        /// This value is <value>true</value> when the user fulfills the policy, otherwise <value>false</value>.
         /// </returns>
         public static Task<bool> AuthorizeAsync(this IAuthorizationService service, ClaimsPrincipal user, string policyName)
         {
diff --git a/src/Microsoft.AspNetCore.Authorization/DefaultAuthorizationService.cs b/src/Microsoft.AspNetCore.Authorization/DefaultAuthorizationService.cs
index 4ac87eff45..6665204eee 100644
--- a/src/Microsoft.AspNetCore.Authorization/DefaultAuthorizationService.cs
+++ b/src/Microsoft.AspNetCore.Authorization/DefaultAuthorizationService.cs
@@ -24,7 +24,7 @@ namespace Microsoft.AspNetCore.Authorization
         /// Creates a new instance of <see cref="DefaultAuthorizationService"/>.
         /// </summary>
         /// <param name="policyProvider">The <see cref="IAuthorizationPolicyProvider"/> used to provide policies.</param>
-        /// <param name="handlers">The handlers used to fufills <see cref="IAuthorizationRequirement"/>s.</param>
+        /// <param name="handlers">The handlers used to fulfill <see cref="IAuthorizationRequirement"/>s.</param>
         /// <param name="logger">The logger used to log messages, warnings and errors.</param>  
         public DefaultAuthorizationService(IAuthorizationPolicyProvider policyProvider, IEnumerable<IAuthorizationHandler> handlers, ILogger<DefaultAuthorizationService> logger)
         {
@@ -47,7 +47,7 @@ namespace Microsoft.AspNetCore.Authorization
         }
 
         /// <summary>
-        /// Checks if a user meets a specific set of requirements for the specified resource
+        /// Checks if a user meets a specific set of requirements for the specified resource.
         /// </summary>
         /// <param name="user">The user to evaluate the requirements against.</param>
         /// <param name="resource">The resource to evaluate the requirements against.</param>
@@ -104,7 +104,7 @@ namespace Microsoft.AspNetCore.Authorization
         }
 
         /// <summary>
-        /// Checks if a user meets a specific authorization policy
+        /// Checks if a user meets a specific authorization policy.
         /// </summary>
         /// <param name="user">The user to check the policy against.</param>
         /// <param name="resource">The resource the policy should be checked with.</param>
diff --git a/src/Microsoft.AspNetCore.Authorization/Infrastructure/AssertionRequirement.cs b/src/Microsoft.AspNetCore.Authorization/Infrastructure/AssertionRequirement.cs
index 1c38b800e9..5fa452b733 100644
--- a/src/Microsoft.AspNetCore.Authorization/Infrastructure/AssertionRequirement.cs
+++ b/src/Microsoft.AspNetCore.Authorization/Infrastructure/AssertionRequirement.cs
@@ -8,7 +8,7 @@ namespace Microsoft.AspNetCore.Authorization.Infrastructure
 {
     /// <summary>
     /// Implements an <see cref="IAuthorizationHandler"/> and <see cref="IAuthorizationRequirement"/>
-    /// that takes an user specified assertion.
+    /// that takes a user specified assertion.
     /// </summary>
     public class AssertionRequirement : IAuthorizationHandler, IAuthorizationRequirement
     {