| @@ -33,7 +33,7 @@ | ||
| 33 | 33 | * List of handled columns | 
| 34 | 34 | * | 
| 35 | 35 | * @param GridField $gridField | 
| 36 | - * @return array | |
| 36 | + * @return string[] | |
| 37 | 37 | */ | 
| 38 | 38 | public function getColumnsHandled($gridField) | 
| 39 | 39 |      { |