From 0eaac91f039fdbe2ca53ba5dbddd288a4bbfbdf6 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Tue, 22 Oct 2019 21:40:33 +0900
Subject: [PATCH] [Modify] Polish it

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

diff --git a/websocket-sharp/Net/HttpListenerResponse.cs b/websocket-sharp/Net/HttpListenerResponse.cs
index c1097039..b85e4fda 100644
--- a/websocket-sharp/Net/HttpListenerResponse.cs
+++ b/websocket-sharp/Net/HttpListenerResponse.cs
@@ -176,7 +176,7 @@ namespace WebSocketSharp.Net
           throw new ObjectDisposedException (GetType ().ToString ());
 
         if (_headersSent) {
-          var msg = "The response has already been sent.";
+          var msg = "The response is already being sent.";
           throw new InvalidOperationException (msg);
         }