diff --git a/src/Middleware/ValidatorMiddleware.php b/src/Middleware/ValidatorMiddleware.php
index 8fca79e..e8eb1c1 100644
--- a/src/Middleware/ValidatorMiddleware.php
+++ b/src/Middleware/ValidatorMiddleware.php
@@ -13,7 +13,7 @@ class ValidatorMiddleware implements Middleware
     protected $validator;
 
     /**
-     * @param ValidatorInterface | null $validator
+     * @param ValidatorInterface $validator
      */
     public function __construct(ValidatorInterface $validator)
     {