diff --git a/websocket-sharp/Net/HttpListenerPrefixCollection.cs b/websocket-sharp/Net/HttpListenerPrefixCollection.cs
index e0064316..e1215ac2 100644
--- a/websocket-sharp/Net/HttpListenerPrefixCollection.cs
+++ b/websocket-sharp/Net/HttpListenerPrefixCollection.cs
@@ -99,7 +99,8 @@ namespace WebSocketSharp.Net
     }
 
     /// <summary>
-    /// Gets a value indicating whether the access to the collection is synchronized.
+    /// Gets a value indicating whether the access to the collection is
+    /// synchronized.
     /// </summary>
     /// <value>
     /// Always returns <c>false</c>.