diff --git a/Protocols/Websocket.php b/Protocols/Websocket.php
index 89b8f1602..5c22970c0 100644
--- a/Protocols/Websocket.php
+++ b/Protocols/Websocket.php
@@ -299,7 +299,7 @@ protected static function dealHandshake($buffer, $connection)
             }
             else
             {
-                $connection->send("HTTP/1.1 400 Bad Request\r\n\r\n<b>400 Bad Request</b><br>Sec-WebSocket-Key not found.<br>This is WebSocket service, you can not access via HTTP", true);
+                $connection->send("HTTP/1.1 400 Bad Request\r\n\r\n<b>400 Bad Request</b><br>Sec-WebSocket-Key not found.<br>This is a WebSocket service and can not be accessed via HTTP.", true);
                 $connection->close();
                 return 0;
             }