diff --git a/htdocs/expedition/class/expedition.class.php b/htdocs/expedition/class/expedition.class.php
index 29ff4ecb33e..f484c2690a6 100644
--- a/htdocs/expedition/class/expedition.class.php
+++ b/htdocs/expedition/class/expedition.class.php
@@ -441,6 +441,7 @@ class Expedition extends CommonObject
 	 * @param 	int		$entrepot_id		Id of warehouse
 	 * @param 	int		$origin_line_id		Id of source line
 	 * @param 	int		$qty				Quantity
+	 * @param 	int		$rang				Rang
 	 * @param	array	$array_options		extrafields array
 	 * @return	int							<0 if KO, line_id if OK
 	 */