diff --git a/src/Bundle/ChillMainBundle/Export/AggregatorInterface.php b/src/Bundle/ChillMainBundle/Export/AggregatorInterface.php
index 126b7580b..98fca1de2 100644
--- a/src/Bundle/ChillMainBundle/Export/AggregatorInterface.php
+++ b/src/Bundle/ChillMainBundle/Export/AggregatorInterface.php
@@ -94,9 +94,9 @@ interface AggregatorInterface extends ModifierInterface
      * @param string  $key    The column key, as added in the query
      * @param mixed[] $values The values from the result. if there are duplicates, those might be given twice. Example: array('FR', 'BE', 'CZ', 'FR', 'BE', 'FR')
      *
-     * @return (callable(string|int|float|'_header'|null $value): string|int|\DateTimeInterface|TranslatableInterface) where the first argument is the value, and the function should return the label to show in the formatted file. Example : `function($countryCode) use ($countries) { return $countries[$countryCode]->getName(); }`
+     * @return callable(mixed $value): string|int|\DateTimeInterface|TranslatableInterface where the first argument is the value, and the function should return the label to show in the formatted file. Example : `function($countryCode) use ($countries) { return $countries[$countryCode]->getName(); }`
      */
-    public function getLabels($key, array $values, mixed $data);
+    public function getLabels($key, array $values, mixed $data): callable;
 
     /**
      * give the list of keys the current export added to the queryBuilder in
diff --git a/src/Bundle/ChillMainBundle/Export/ExportInterface.php b/src/Bundle/ChillMainBundle/Export/ExportInterface.php
index a44aa681b..02338d7cb 100644
--- a/src/Bundle/ChillMainBundle/Export/ExportInterface.php
+++ b/src/Bundle/ChillMainBundle/Export/ExportInterface.php
@@ -28,7 +28,7 @@ use Symfony\Contracts\Translation\TranslatableInterface;
  * @example Chill\PersonBundle\Export\CountPerson an example of implementation
  *
  * @template Q of QueryBuilder|NativeQuery
- * @tempalte D of array
+ * @template D of array
  */
 interface ExportInterface extends ExportElementInterface
 {
diff --git a/src/Bundle/ChillMainBundle/Export/ListInterface.php b/src/Bundle/ChillMainBundle/Export/ListInterface.php
index 9b88525ca..d23cce0c0 100644
--- a/src/Bundle/ChillMainBundle/Export/ListInterface.php
+++ b/src/Bundle/ChillMainBundle/Export/ListInterface.php
@@ -19,5 +19,8 @@ namespace Chill\MainBundle\Export;
  * (and list does not support aggregation on their data).
  *
  * When used, the `ExportManager` will not handle aggregator for this class.
+ *
+ * @template D of array
+ * @template-implements ExportInterface<D>
  */
 interface ListInterface extends ExportInterface {}