Update controller/forwarding.rst

Co-authored-by: Christian Flothmann <[email protected]>

Author: ThomasLandauer

controller/forwarding.rst

@@ -13,7 +13,7 @@ from *that* controller::
 
     public function __invoke(string $name): Response
     {
-        $response = $this->forward('OtherController::class', [
+        $response = $this->forward(OtherController::class, [
             'name'  => $name,
             'color' => 'green',
         ]);