diff --git a/websocket-sharp/Net/HttpListenerRequest.cs b/websocket-sharp/Net/HttpListenerRequest.cs
index 2e68b035..4ea2eda2 100644
--- a/websocket-sharp/Net/HttpListenerRequest.cs
+++ b/websocket-sharp/Net/HttpListenerRequest.cs
@@ -106,7 +106,7 @@ namespace WebSocketSharp.Net
     #region Public Properties
 
     /// <summary>
-    /// Gets the media types which are acceptable for the client.
+    /// Gets the media types that are acceptable for the client.
     /// </summary>
     /// <value>
     ///   <para>