From f22bb89ff22f5ade6231da8e71b4d2641d1edad8 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Thu, 21 May 2020 19:43:10 +0900
Subject: [PATCH] [Modify] Polish it

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

diff --git a/websocket-sharp/Net/WebHeaderCollection.cs b/websocket-sharp/Net/WebHeaderCollection.cs
index 71a5b7b8..2610490b 100644
--- a/websocket-sharp/Net/WebHeaderCollection.cs
+++ b/websocket-sharp/Net/WebHeaderCollection.cs
@@ -846,7 +846,7 @@ namespace WebSocketSharp.Net
       var res = headerType == HttpHeaderType.Response;
 
       if (isRestricted (name, res)) {
-        var msg = "This header must be modified with the appropiate property.";
+        var msg = "The header is a restricted header.";
 
         throw new ArgumentException (msg);
       }