diff --git a/htdocs/adherents/class/api_members.class.php b/htdocs/adherents/class/api_members.class.php
index 487b106b979..40a3b69a472 100644
--- a/htdocs/adherents/class/api_members.class.php
+++ b/htdocs/adherents/class/api_members.class.php
@@ -655,6 +655,7 @@ class Members extends DolibarrApi
 	 *
 	 * @throws	RestException	403		Access denied
 	 * @throws	RestException	404		Member not found
+	 * @throws	RestException	422		Malformed data
 	 */
 	public function createSubscription($id, $start_date, $end_date, $amount, $label = '')
 	{