diff --git a/websocket-sharp/Net/HttpListener.cs b/websocket-sharp/Net/HttpListener.cs
index 918b6ed0..a17350ff 100644
--- a/websocket-sharp/Net/HttpListener.cs
+++ b/websocket-sharp/Net/HttpListener.cs
@@ -699,22 +699,24 @@ namespace WebSocketSharp.Net
///
///
/// This method completes an asynchronous operation started by calling
- /// the BeginGetContext method.
+ /// the BeginGetContext method.
///
///
/// A that represents a request.
///
///
- /// An obtained by calling the BeginGetContext method.
+ /// An instance obtained by calling
+ /// the BeginGetContext method.
///
///
/// is .
///
///
- /// wasn't obtained by calling the BeginGetContext method.
+ /// was not obtained by calling
+ /// the BeginGetContext method.
///
///
- /// This method was already called for the specified .
+ /// This method was already called for .
///
///
/// This listener has been closed.