diff --git a/src/Middleware/Localization.Routing/src/Microsoft.AspNetCore.Localization.Routing.csproj b/src/Middleware/Localization.Routing/src/Microsoft.AspNetCore.Localization.Routing.csproj
index 3fbf8734b6..56bd8e7a83 100644
--- a/src/Middleware/Localization.Routing/src/Microsoft.AspNetCore.Localization.Routing.csproj
+++ b/src/Middleware/Localization.Routing/src/Microsoft.AspNetCore.Localization.Routing.csproj
@@ -5,7 +5,7 @@
     <Description>Provides a request culture provider which gets culture and ui-culture from request's route data.</Description>
     <TargetFramework>$(DefaultNetCoreTargetFramework)</TargetFramework>
     <IsAspNetCoreApp>true</IsAspNetCoreApp>
-    <NoWarn>$(NoWarn);CS1591</NoWarn>
+    <NoWarn>$(NoWarn.Replace('1591', ''))</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;localization</PackageTags>
     <IsPackable>false</IsPackable>
diff --git a/src/Middleware/Localization/src/ApplicationBuilderExtensions.cs b/src/Middleware/Localization/src/ApplicationBuilderExtensions.cs
index 9f2a0dac59..819c5d36d3 100644
--- a/src/Middleware/Localization/src/ApplicationBuilderExtensions.cs
+++ b/src/Middleware/Localization/src/ApplicationBuilderExtensions.cs
@@ -1,5 +1,5 @@
-// Copyright (c) .NET Foundation. All rights reserved. 
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. 
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
 using Microsoft.AspNetCore.Localization;
@@ -43,7 +43,7 @@ namespace Microsoft.AspNetCore.Builder
             {
                 throw new ArgumentNullException(nameof(app));
             }
-            
+
             if (options == null)
             {
                 throw new ArgumentNullException(nameof(options));
@@ -54,10 +54,10 @@ namespace Microsoft.AspNetCore.Builder
 
         /// <summary>
         /// Adds the <see cref="RequestLocalizationMiddleware"/> to automatically set culture information for
-        /// requests based on information provided by the client. 
+        /// requests based on information provided by the client.
         /// </summary>
         /// <param name="app">The <see cref="IApplicationBuilder"/>.</param>
-        /// <param name="optionsAction"></param>
+        /// <param name="optionsAction">A callback that configures the <see cref="RequestLocalizationOptions"/>.</param>
         /// <remarks>
         /// This will going to instantiate a new <see cref="RequestLocalizationOptions"/> that doesn't come from the services.
         /// </remarks>
@@ -84,7 +84,7 @@ namespace Microsoft.AspNetCore.Builder
 
         /// <summary>
         /// Adds the <see cref="RequestLocalizationMiddleware"/> to automatically set culture information for
-        /// requests based on information provided by the client. 
+        /// requests based on information provided by the client.
         /// </summary>
         /// <param name="app">The <see cref="IApplicationBuilder"/>.</param>
         /// <param name="cultures">The culture names to be added by the application, which is represents both supported cultures and UI cultures.</param>
diff --git a/src/Middleware/Localization/src/Microsoft.AspNetCore.Localization.csproj b/src/Middleware/Localization/src/Microsoft.AspNetCore.Localization.csproj
index 20a32d0507..be913c0c66 100644
--- a/src/Middleware/Localization/src/Microsoft.AspNetCore.Localization.csproj
+++ b/src/Middleware/Localization/src/Microsoft.AspNetCore.Localization.csproj
@@ -5,7 +5,7 @@
     <Description>ASP.NET Core middleware for automatically applying culture information to HTTP requests. Culture information can be specified in the HTTP header, query string, cookie, or custom source.</Description>
     <TargetFramework>$(DefaultNetCoreTargetFramework)</TargetFramework>
     <IsAspNetCoreApp>true</IsAspNetCoreApp>
-    <NoWarn>$(NoWarn);CS1591</NoWarn>
+    <NoWarn>$(NoWarn.Replace('1591', ''))</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;localization</PackageTags>
     <IsPackable>false</IsPackable>
diff --git a/src/Middleware/Localization/src/RequestLocalizationServiceCollectionExtensions.cs b/src/Middleware/Localization/src/RequestLocalizationServiceCollectionExtensions.cs
index d261ab7b07..9e0cf69953 100644
--- a/src/Middleware/Localization/src/RequestLocalizationServiceCollectionExtensions.cs
+++ b/src/Middleware/Localization/src/RequestLocalizationServiceCollectionExtensions.cs
@@ -16,7 +16,7 @@ namespace Microsoft.Extensions.DependencyInjection
         /// </summary>
         /// <param name="services">The <see cref="IServiceCollection"/> for adding services.</param>
         /// <param name="configureOptions">A delegate to configure the <see cref="RequestLocalizationOptions"/>.</param>
-        /// <returns></returns>
+        /// <returns>The <see cref="IServiceCollection"/>.</returns>
         public static IServiceCollection AddRequestLocalization(this IServiceCollection services, Action<RequestLocalizationOptions> configureOptions)
         {
             if (services == null)
@@ -36,7 +36,7 @@ namespace Microsoft.Extensions.DependencyInjection
         /// </summary>
         /// <param name="services">The <see cref="IServiceCollection"/> for adding services.</param>
         /// <param name="configureOptions">A delegate to configure the <see cref="RequestLocalizationOptions"/>.</param>
-        /// <returns></returns>
+        /// <returns>The <see cref="IServiceCollection"/>.</returns>
         public static IServiceCollection AddRequestLocalization<TService>(this IServiceCollection services, Action<RequestLocalizationOptions, TService> configureOptions) where TService : class
         {
             if (services == null)
diff --git a/src/Middleware/ResponseCompression/src/BrotliCompressionProvider.cs b/src/Middleware/ResponseCompression/src/BrotliCompressionProvider.cs
index 6cc0a88d5d..55f2939b80 100644
--- a/src/Middleware/ResponseCompression/src/BrotliCompressionProvider.cs
+++ b/src/Middleware/ResponseCompression/src/BrotliCompressionProvider.cs
@@ -16,7 +16,7 @@ namespace Microsoft.AspNetCore.ResponseCompression
         /// <summary>
         /// Creates a new instance of <see cref="BrotliCompressionProvider"/> with options.
         /// </summary>
-        /// <param name="options"></param>
+        /// <param name="options">The options for this instance.</param>
         public BrotliCompressionProvider(IOptions<BrotliCompressionProviderOptions> options)
         {
             if (options == null)
diff --git a/src/Middleware/ResponseCompression/src/GzipCompressionProvider.cs b/src/Middleware/ResponseCompression/src/GzipCompressionProvider.cs
index 0a001e0d53..9f96e5491c 100644
--- a/src/Middleware/ResponseCompression/src/GzipCompressionProvider.cs
+++ b/src/Middleware/ResponseCompression/src/GzipCompressionProvider.cs
@@ -16,7 +16,7 @@ namespace Microsoft.AspNetCore.ResponseCompression
         /// <summary>
         /// Creates a new instance of GzipCompressionProvider with options.
         /// </summary>
-        /// <param name="options"></param>
+        /// <param name="options">The options for this instance.</param>
         public GzipCompressionProvider(IOptions<GzipCompressionProviderOptions> options)
         {
             if (options == null)
diff --git a/src/Middleware/ResponseCompression/src/IResponseCompressionProvider.cs b/src/Middleware/ResponseCompression/src/IResponseCompressionProvider.cs
index c206acbb57..c3edc46b12 100644
--- a/src/Middleware/ResponseCompression/src/IResponseCompressionProvider.cs
+++ b/src/Middleware/ResponseCompression/src/IResponseCompressionProvider.cs
@@ -13,22 +13,22 @@ namespace Microsoft.AspNetCore.ResponseCompression
         /// <summary>
         /// Examines the request and selects an acceptable compression provider, if any.
         /// </summary>
-        /// <param name="context"></param>
+        /// <param name="context">The <see cref="HttpContext"/>.</param>
         /// <returns>A compression provider or null if compression should not be used.</returns>
         ICompressionProvider GetCompressionProvider(HttpContext context);
 
         /// <summary>
         /// Examines the response on first write to see if compression should be used.
         /// </summary>
-        /// <param name="context"></param>
-        /// <returns></returns>
+        /// <param name="context">The <see cref="HttpContext"/>.</param>
+        /// <returns><see langword="true" /> if the response should be compressed, otherwise <see langword="false" />.</returns>
         bool ShouldCompressResponse(HttpContext context);
 
         /// <summary>
         /// Examines the request to see if compression should be used for response.
         /// </summary>
-        /// <param name="context"></param>
-        /// <returns></returns>
+        /// <param name="context">The <see cref="HttpContext"/>.</param>
+        /// <returns><see langword="true" /> if the request accepts compression, otherwise <see langword="false" />.</returns>
         bool CheckRequestAcceptsCompression(HttpContext context);
     }
 }
diff --git a/src/Middleware/ResponseCompression/src/Microsoft.AspNetCore.ResponseCompression.csproj b/src/Middleware/ResponseCompression/src/Microsoft.AspNetCore.ResponseCompression.csproj
index d63d281422..44af1104da 100644
--- a/src/Middleware/ResponseCompression/src/Microsoft.AspNetCore.ResponseCompression.csproj
+++ b/src/Middleware/ResponseCompression/src/Microsoft.AspNetCore.ResponseCompression.csproj
@@ -4,6 +4,7 @@
     <Description>ASP.NET Core middleware for HTTP Response compression.</Description>
     <TargetFramework>$(DefaultNetCoreTargetFramework)</TargetFramework>
     <IsAspNetCoreApp>true</IsAspNetCoreApp>
+    <NoWarn>$(NoWarn.Replace('1591', ''))</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore</PackageTags>
     <IsPackable>false</IsPackable>
diff --git a/src/Middleware/ResponseCompression/src/ResponseCompressionMiddleware.cs b/src/Middleware/ResponseCompression/src/ResponseCompressionMiddleware.cs
index 16a16d233b..0d0715db21 100644
--- a/src/Middleware/ResponseCompression/src/ResponseCompressionMiddleware.cs
+++ b/src/Middleware/ResponseCompression/src/ResponseCompressionMiddleware.cs
@@ -21,8 +21,8 @@ namespace Microsoft.AspNetCore.ResponseCompression
         /// <summary>
         /// Initialize the Response Compression middleware.
         /// </summary>
-        /// <param name="next"></param>
-        /// <param name="provider"></param>
+        /// <param name="next">The delegate representing the remaining middleware in the request pipeline.</param>
+        /// <param name="provider">The <see cref="IResponseCompressionProvider"/>.</param>
         public ResponseCompressionMiddleware(RequestDelegate next, IResponseCompressionProvider provider)
         {
             if (next == null)
@@ -41,8 +41,8 @@ namespace Microsoft.AspNetCore.ResponseCompression
         /// <summary>
         /// Invoke the middleware.
         /// </summary>
-        /// <param name="context"></param>
-        /// <returns></returns>
+        /// <param name="context">The <see cref="HttpContext"/>.</param>
+        /// <returns>A task that represents the execution of this middleware.</returns>
         public async Task Invoke(HttpContext context)
         {
             if (!_provider.CheckRequestAcceptsCompression(context))
diff --git a/src/Middleware/ResponseCompression/src/ResponseCompressionProvider.cs b/src/Middleware/ResponseCompression/src/ResponseCompressionProvider.cs
index 8592f25260..dbffed6357 100644
--- a/src/Middleware/ResponseCompression/src/ResponseCompressionProvider.cs
+++ b/src/Middleware/ResponseCompression/src/ResponseCompressionProvider.cs
@@ -28,7 +28,7 @@ namespace Microsoft.AspNetCore.ResponseCompression
         /// If no compression providers are specified then GZip is used by default.
         /// </summary>
         /// <param name="services">Services to use when instantiating compression providers.</param>
-        /// <param name="options"></param>
+        /// <param name="options">The options for this instance.</param>
         public ResponseCompressionProvider(IServiceProvider services, IOptions<ResponseCompressionOptions> options)
         {
             if (services == null)
diff --git a/src/Middleware/ResponseCompression/src/ResponseCompressionServicesExtensions.cs b/src/Middleware/ResponseCompression/src/ResponseCompressionServicesExtensions.cs
index 8d0b1ed2b3..f089cea6a8 100644
--- a/src/Middleware/ResponseCompression/src/ResponseCompressionServicesExtensions.cs
+++ b/src/Middleware/ResponseCompression/src/ResponseCompressionServicesExtensions.cs
@@ -17,7 +17,7 @@ namespace Microsoft.AspNetCore.Builder
         /// Add response compression services.
         /// </summary>
         /// <param name="services">The <see cref="IServiceCollection"/> for adding services.</param>
-        /// <returns></returns>
+        /// <returns>The <see cref="IServiceCollection"/>.</returns>
         public static IServiceCollection AddResponseCompression(this IServiceCollection services)
         {
             if (services == null)
@@ -34,7 +34,7 @@ namespace Microsoft.AspNetCore.Builder
         /// </summary>
         /// <param name="services">The <see cref="IServiceCollection"/> for adding services.</param>
         /// <param name="configureOptions">A delegate to configure the <see cref="ResponseCompressionOptions"/>.</param>
-        /// <returns></returns>
+        /// <returns>The <see cref="IServiceCollection"/>.</returns>
         public static IServiceCollection AddResponseCompression(this IServiceCollection services, Action<ResponseCompressionOptions> configureOptions)
         {
             if (services == null)