From e41048bcdce46c997dbb272662a304b298334fe0 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Wed, 14 Sep 2016 15:29:16 +0900
Subject: [PATCH] [Modify] Polish it

---
 websocket-sharp/WebSocket.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/websocket-sharp/WebSocket.cs b/websocket-sharp/WebSocket.cs
index e97cd198..7393c165 100644
--- a/websocket-sharp/WebSocket.cs
+++ b/websocket-sharp/WebSocket.cs
@@ -914,7 +914,7 @@ namespace WebSocketSharp
       }
 
       if (!_client && !masked) {
-        message = "A frame from a client isn't masked.";
+        message = "A frame from a client is not masked.";
         return false;
       }