diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 683c2c419f0..a6cf04715f2 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -2338,7 +2338,7 @@ class Facture extends CommonInvoice
 	 * Update invoice line with percentage
 	 * 
 	 * @param FactureLigne $line Invoice line
-	 * @param int $percent
+	 * @param int $percent Percentage
 	 * @return void
 	 */
 	function update_percent($line, $percent)