diff --git a/ecrire/inc/surligne.php b/ecrire/inc/surligne.php
index 7197bfee26f32d5595062ca0fb6a8507cd0d5b25..8197fce912359ece2b8187819725794c82f3174a 100644
--- a/ecrire/inc/surligne.php
+++ b/ecrire/inc/surligne.php
@@ -21,6 +21,7 @@ define("MARQUEUR_SURLIGNE",  'debut_surligneconditionnel');
 define("MARQUEUR_FSURLIGNE", 'finde_surligneconditionnel');
 
 
+// http://doc.spip.org/@surligner_mots
 function surligner_mots($page) {
   $surlignejs_engines = array(
       array(",".str_replace(array("/","."),array("\/","\."),$GLOBALS['meta']['adresse_site']).",i", ",recherche=([^&]+),i"), //SPIP