diff --git a/lib/plugins/authldap/auth.php b/lib/plugins/authldap/auth.php
index 4c9c17786e1653e8767f752ab987d5141ab23aec..bf83dd7fba11ceda8616992d483a2142ccccccca 100644
--- a/lib/plugins/authldap/auth.php
+++ b/lib/plugins/authldap/auth.php
@@ -275,6 +275,10 @@ class auth_plugin_authldap extends DokuWiki_Auth_Plugin {
 
     /**
      * Definition of the function modifyUser in order to modify the password
+     *
+     * @param   string $user    nick of the user to be changed
+     * @param   array  $changes array of field/value pairs to be changed (password will be clear text)
+     * @return  bool   true on success, false on error
      */
 
     function modifyUser($user,$changes){