diff --git a/htdocs/fourn/class/fournisseur.facture.class.php b/htdocs/fourn/class/fournisseur.facture.class.php
index 4642c0bf753..46c50a75256 100644
--- a/htdocs/fourn/class/fournisseur.facture.class.php
+++ b/htdocs/fourn/class/fournisseur.facture.class.php
@@ -1382,6 +1382,7 @@ class FactureFournisseur extends CommonInvoice
      *  @param      int     $origin_id          id origin document
 	 *  @param		double	$pu_ht_devise		Amount in currency
 	 *  @param		string	$ref_supplier		Supplier ref
+	 *  @param      string  $special_code       Special code
      *	@return    	int             			>0 if OK, <0 if KO
      *
      *  FIXME Add field ref (that should be named ref_supplier) and label into update. For example can be filled when product line created from order.