diff --git a/websocket-sharp/Net/HttpResponseHeader.cs b/websocket-sharp/Net/HttpResponseHeader.cs
index d8f36ed8..691d65bd 100644
--- a/websocket-sharp/Net/HttpResponseHeader.cs
+++ b/websocket-sharp/Net/HttpResponseHeader.cs
@@ -40,12 +40,12 @@
 namespace WebSocketSharp.Net
 {
   /// <summary>
-  /// Contains the HTTP headers that can be specified in a server response.
+  /// Indicates the HTTP header that can be specified in a server response.
   /// </summary>
   /// <remarks>
-  /// The HttpResponseHeader enumeration contains the HTTP response headers defined in
-  /// <see href="http://tools.ietf.org/html/rfc2616#section-14">RFC 2616</see> for the HTTP/1.1 and
-  /// <see href="http://tools.ietf.org/html/rfc6455#section-11.3">RFC 6455</see> for the WebSocket.
+  /// The headers of this enumeration are defined in
+  /// <see href="http://tools.ietf.org/html/rfc2616#section-14">RFC 2616</see> or
+  /// <see href="http://tools.ietf.org/html/rfc6455#section-11.3">RFC 6455</see>.
   /// </remarks>
   public enum HttpResponseHeader
   {