From b4b10997caf3402d62b64db2985c234337ca7a6e Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Sun, 23 Mar 2025 22:17:08 +0900
Subject: [PATCH] [Modify] Polish it

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

diff --git a/websocket-sharp/Server/WebSocketBehavior.cs b/websocket-sharp/Server/WebSocketBehavior.cs
index 885d0cc3..4a239ae4 100644
--- a/websocket-sharp/Server/WebSocketBehavior.cs
+++ b/websocket-sharp/Server/WebSocketBehavior.cs
@@ -495,7 +495,7 @@ namespace WebSocketSharp.Server
 
       set {
         if (_websocket != null) {
-          var msg = "The session has already started.";
+          var msg = "The set operation is not available.";
 
           throw new InvalidOperationException (msg);
         }