/**
* @param $key string
* @param $callback closure Callback method to be executed
- * @param $exptime int Either an interval in seconds or a unix timestamp for expiry
- * @param $attempts int The amount of times to attempt a merge in case of failure
+ * @param int $exptime Either an interval in seconds or a unix timestamp for expiry
+ * @param int $attempts The amount of times to attempt a merge in case of failure
* @return bool success
*/
public function merge( $key, closure $callback, $exptime = 0, $attempts = 10 ) {