diff --git a/src/Middleware/ClassicCoreMiddleware.php b/src/Middleware/ClassicCoreMiddleware.php
index bf91e85..9750c63 100644
--- a/src/Middleware/ClassicCoreMiddleware.php
+++ b/src/Middleware/ClassicCoreMiddleware.php
@@ -39,7 +39,7 @@ class ClassicCoreMiddleware extends CoreMiddleware
     /**
      * Transfer the non-standard response content to a standard response object.
      *
-     * @param null|array<string, mixed>|Arrayable<string, mixed>|Jsonable|string $response
+     * @param null|array<string, mixed>|Arrayable|Jsonable|string $response
      */
     protected function transferToResponse($response, ServerRequestInterface $request): ResponseInterface
     {