* This function has the same parameters as wfGetDB()
*
* @param int $db DB index (DB_REPLICA/DB_MASTER)
- * @param array $groups; default: empty array
- * @param string|bool $wiki; default: current wiki
+ * @param array $groups default: empty array
+ * @param string|bool $wiki default: current wiki
* @return IMaintainableDatabase
*/
protected function getDB( $db, $groups = [], $wiki = false ) {