Fix a few

README.md

@@ -356,14 +356,12 @@ wssv.Start ();
 Stopping the WebSocket server.
 
 ```cs
-wssv.Stop ();
+wssv.Stop (code, reason);
 ```
 
 The `WebSocketServer.Stop` method is overloaded.
 
-You can use the `WebSocketServer.Stop ()` or `WebSocketServer.Stop (code, reason)` method to stop the server.
-
-The type of `code` is `ushort` or `WebSocketSharp.CloseStatusCode`, and the type of `reason` is `string`.
+You can use the `WebSocketServer.Stop ()`, `WebSocketServer.Stop (ushort, string)`, or `WebSocketServer.Stop (WebSocketSharp.CloseStatusCode, string)` method to stop the server.
 
 ### HTTP Server with the WebSocket ###