English grammar fix.
@@ -41,7 +41,7 @@ const (
</style>
</head>
<body>
-<h1>The page you visit not found.</h1>
+<h1>The page you requested was not found.</h1>
<p>Sorry, the page you are looking for is currently unavailable.<br/>
Please try again later.</p>
<p>The server is powered by <a href="https://github.com/fatedier/frp">frp</a>.</p>
