diff --git a/ampel-firmware/web_server.cpp b/ampel-firmware/web_server.cpp
index 081b15e7e8c29e76eef82a5f3afc020db724bc32..e297d5dc42c4ecac91713a5d5d8737817c3cce82 100644
--- a/ampel-firmware/web_server.cpp
+++ b/ampel-firmware/web_server.cpp
@@ -48,7 +48,7 @@ namespace web_server {
// "<meta http-equiv='refresh' content='%d'>"
"</head>"
"<body>"
- "<div class='pure-g'><div class='pure-u-1'><div class='pure-menu'><p class='pure-menu-heading'>HfT-Stuttgart CO<sub>2</sub> Ampel</p></div></div>"
+ "<div class='pure-g'><div class='pure-u-1'><div class='pure-menu'><h2 class='pure-menu-heading'>HfT-Stuttgart CO<sub>2</sub> Ampel</h2></div></div>"
"<div class='pure-u-1'><ul class='pure-menu pure-menu-horizontal pure-menu-list'>"
"<li class='pure-menu-item'><a href='/config' class='pure-menu-link'>Config</a></li>"
"<li class='pure-menu-item'><a href='#table' class='pure-menu-link'>Info</a></li>"