diff --git a/phpBB/adm/style/simple_header.html b/phpBB/adm/style/simple_header.html
index 21532f1425..6e0c360600 100644
--- a/phpBB/adm/style/simple_header.html
+++ b/phpBB/adm/style/simple_header.html
@@ -101,7 +101,7 @@ function find_username(url)
 
 // ]]>
 </script>
-<!-- EVENT acp_simple_header_head -->
+<!-- EVENT acp_simple_header_head_append -->
 </head>
 
 <body class="{S_CONTENT_DIRECTION}">
