diff --git a/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php b/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php
index ebbc6a3883..4835c95509 100644
--- a/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php
+++ b/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php
@@ -790,7 +790,7 @@ class RecursiveContextualValidator implements ContextualValidatorInterface
      * @param int                       $traversalStrategy The strategy used for
      *                                                     traversing the value
      * @param GroupSequence             $groupSequence     The group sequence
-     * @param string[]|null             $cascadedGroup     The group that should
+     * @param string|null               $cascadedGroup     The group that should
      *                                                     be passed to cascaded
      *                                                     objects instead of
      *                                                     the group sequence