diff --git a/simpleadmin/www/ttl.html b/simpleadmin/www/ttl.html
index 0dbf45b..0a5c178 100644
--- a/simpleadmin/www/ttl.html
+++ b/simpleadmin/www/ttl.html
@@ -5,7 +5,7 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>RM520N-GL TTL Changer</title>
+    <title>RM5xxx TTL Changer</title>
 
     <script src="/js/alpinejs.min.js" defer></script>
     <link rel="stylesheet" href="/css/bulma.css">
@@ -19,7 +19,7 @@
         <div class="container">
             <div class="navbar-brand">
                 <a class="navbar-item brand-text" href="/">
-                    Quectel RM520N-GL
+                    Quectel RM5xxx Simple Admin
                 </a>
                 <a role="button" class="navbar-burger burger" @click="isOpen = !isOpen">
                     <span aria-hidden="true"></span>
@@ -131,4 +131,4 @@
             }
         }
     </script>
-</body>
\ No newline at end of file
+</body>