diff --git a/lib/plugins/styling/admin.php b/lib/plugins/styling/admin.php
index 85d87dd71c77a3471d22aa124de543806c0798fb..ab8e5a5f4f08fac7ed0ef7d12686cae00ec5d67a 100644
--- a/lib/plugins/styling/admin.php
+++ b/lib/plugins/styling/admin.php
@@ -57,6 +57,7 @@ class admin_plugin_styling extends DokuWiki_Admin_Plugin {
 
     /**
      * Create the actual editing form
+     * @param boolean $isajax
      */
     public function form($isajax) {
         global $conf;