diff --git a/src/Http/Http.Extensions/src/RequestHeaders.cs b/src/Http/Http.Extensions/src/RequestHeaders.cs
index 12246922d4..94fa8149b9 100644
--- a/src/Http/Http.Extensions/src/RequestHeaders.cs
+++ b/src/Http/Http.Extensions/src/RequestHeaders.cs
@@ -279,11 +279,27 @@ namespace Microsoft.AspNetCore.Http.Headers
             }
         }
 
+        /// <summary>
+        /// Gets the value of header with <paramref name="name"/>.
+        /// </summary>
+        /// <remarks><typeparamref name="T"/> must contain a TryParse method with the signature <code>public static bool TryParse(string, out T)</code>.</remarks>
+        /// <typeparam name="T">The type of the header.
+        /// The given type must have a static TryParse method.</typeparam>
+        /// <param name="name">The name of the header to retrieve.</param>
+        /// <returns>The value of the header.</returns>
         public T Get<T>(string name)
         {
             return Headers.Get<T>(name);
         }
 
+        /// <summary>
+        /// Gets the values of header with <paramref name="name"/>.
+        /// </summary>
+        /// <remarks><typeparamref name="T"/> must contain a TryParseList method with the signature <code>public static bool TryParseList(IList&lt;string&gt;, out IList&lt;T&gt;)</code>.</remarks>
+        /// <typeparam name="T">The type of the header.
+        /// The given type must have a static TryParseList method.</typeparam>
+        /// <param name="name">The name of the header to retrieve.</param>
+        /// <returns>List of values of the header.</returns>
         public IList<T> GetList<T>(string name)
         {
             return Headers.GetList<T>(name);
diff --git a/src/Http/Http.Extensions/src/ResponseHeaders.cs b/src/Http/Http.Extensions/src/ResponseHeaders.cs
index 87e3c0318c..2feff2fe3c 100644
--- a/src/Http/Http.Extensions/src/ResponseHeaders.cs
+++ b/src/Http/Http.Extensions/src/ResponseHeaders.cs
@@ -158,11 +158,27 @@ namespace Microsoft.AspNetCore.Http.Headers
             }
         }
 
+        /// <summary>
+        /// Gets the value of header with <paramref name="name"/>.
+        /// </summary>
+        /// <remarks><typeparamref name="T"/> must contain a TryParse method with the signature <code>public static bool TryParse(string, out T)</code>.</remarks>
+        /// <typeparam name="T">The type of the header.
+        /// The given type must have a static TryParse method.</typeparam>
+        /// <param name="name">The name of the header to retrieve.</param>
+        /// <returns>The value of the header.</returns>
         public T Get<T>(string name)
         {
             return Headers.Get<T>(name);
         }
 
+        /// <summary>
+        /// Gets the values of header with <paramref name="name"/>.
+        /// </summary>
+        /// <remarks><typeparamref name="T"/> must contain a TryParseList method with the signature <code>public static bool TryParseList(IList&lt;string&gt;, out IList&lt;T&gt;)</code>.</remarks>
+        /// <typeparam name="T">The type of the header.
+        /// The given type must have a static TryParseList method.</typeparam>
+        /// <param name="name">The name of the header to retrieve.</param>
+        /// <returns>List of values of the header.</returns>
         public IList<T> GetList<T>(string name)
         {
             return Headers.GetList<T>(name);
@@ -208,4 +224,4 @@ namespace Microsoft.AspNetCore.Http.Headers
             Headers.AppendList<T>(name, values);
         }
     }
-}
\ No newline at end of file
+}