diff --git a/htdocs/user/class/usergroup.class.php b/htdocs/user/class/usergroup.class.php
index bc5396e9f51..4d858ffbaf9 100644
--- a/htdocs/user/class/usergroup.class.php
+++ b/htdocs/user/class/usergroup.class.php
@@ -636,7 +636,7 @@ class UserGroup extends CommonObject
 	 *	Delete a group
 	 *
 	 *	@param	User	$user		User that delete
-	 *	@return     				<0 if KO, > 0 if OK
+	 *	@return int    				<0 if KO, > 0 if OK
 	 */
 	public function delete(User $user)
 	{