| @@ -101,7 +101,7 @@ | ||
| 101 | 101 | * | 
| 102 | 102 | * @param mixed $value | 
| 103 | 103 | * | 
| 104 | - * @return mixed | |
| 104 | + * @return string | |
| 105 | 105 | */ | 
| 106 | 106 | protected function cast($value) | 
| 107 | 107 |      { |