[Modify] Edit it

websocket-sharp/Server/WebSocketServer.cs

@@ -1120,6 +1120,9 @@ namespace WebSocketSharp.Server
     /// This method does nothing if the server is not started,
     /// it is shutting down, or it has already stopped.
     /// </remarks>
+    /// <exception cref="SocketException">
+    /// The underlying <see cref="TcpListener"/> has failed to stop.
+    /// </exception>
     public void Stop ()
     {
       stop (1005, String.Empty);