diff --git a/htdocs/product/class/api_products.class.php b/htdocs/product/class/api_products.class.php
index 7fea66e325e..10cb3686752 100644
--- a/htdocs/product/class/api_products.class.php
+++ b/htdocs/product/class/api_products.class.php
@@ -456,7 +456,7 @@ class Products extends DolibarrApi
      * @throws RestException 401
      * @throws RestException 404
      *
-     * @url DELETE {id}/subproducts/remove
+     * @url DELETE {id}/subproducts/remove/{subproduct_id}
      */
     public function delSubproducts($id, $subproduct_id)
     {