@@ -220,7 +220,7 @@ |
||
| 220 | 220 | * Clear the settings cache. |
| 221 | 221 | * If path is set, only clear the path and it's parents. |
| 222 | 222 | * |
| 223 | - * @param null $key The path to clear. |
|
| 223 | + * @param string $key The path to clear. |
|
| 224 | 224 | */ |
| 225 | 225 | public function flush($key = null) |
| 226 | 226 | { |