diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 910f5b316cd6512189db1e4c2b07ad2fa5b1c447..02686a94f03400b246508d9f0767d230886bfa38 100755
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -2650,10 +2650,11 @@ class Product extends CommonObject
 	 *  Fonction recursive uniquement utilisee par get_arbo_each_prod, recompose l'arborescence des sousproduits
 	 * 	Define value of this->res
 	 *
-	 *	@param		array	$prod			Products array
-	 *	@param		string	$compl_path		Directory path of parents to add before
-	 *	@param		int		$multiply		Because each sublevel must be multiplicated by parent nb
-	 *	@param		int		$level			Init level
+	 *	@param		array		$prod			Products array
+	 *	@param		string		$compl_path		Directory path of parents to add before
+	 *	@param		int			$multiply		Because each sublevel must be multiplicated by parent nb
+	 *	@param		int			$level			Init level
+	 *  @param		int			$id_parent		Id parent
 	 *  @return 	void
 	 */
 	function fetch_prod_arbo($prod, $compl_path="", $multiply=1, $level=1, $id_parent=0)