@@ -112,7 +112,7 @@ |
||
| 112 | 112 | /** |
| 113 | 113 | * Merges the output from amazon polly |
| 114 | 114 | * |
| 115 | - * @return mixed |
|
| 115 | + * @return null|string |
|
| 116 | 116 | */ |
| 117 | 117 | protected function mergeOutputs(array $results) |
| 118 | 118 | { |