diff --git a/htdocs/product/stock/lib/replenishment.lib.php b/htdocs/product/stock/lib/replenishment.lib.php
index 01f10915ec2..0286b6bc480 100644
--- a/htdocs/product/stock/lib/replenishment.lib.php
+++ b/htdocs/product/stock/lib/replenishment.lib.php
@@ -110,7 +110,7 @@ function dispatchedOrders()
  * ordered
  *
  * @param 	int		$product_id		Product id
- * @return	void
+ * @return	string|null
  */
 function ordered($product_id)
 {
@@ -155,7 +155,7 @@ function ordered($product_id)
  * getProducts
  *
  * @param 	int		$order_id		Order id
- * @return	void
+ * @return	array|array[integer]
  */
 function getProducts($order_id)
 {