Review

Author: dunglas

mercure.rst

@@ -403,7 +403,7 @@ And here is the controller::
             $token = (new Builder())
                 // set other appropriate JWT claims, such as an expiration date
                 ->set('mercure', ['subscribe' => "http://example.com/user/$username"]) // could also include the security roles, or anything else
-                ->sign(new Sha256(), this->getParameter('mercure_secret_key')) // don't forget to set this parameter! Test value: aVerySecretKey
+                ->sign(new Sha256(), $this->getParameter('mercure_secret_key')) // don't forget to set this parameter! Test value: aVerySecretKey
                 ->getToken();
 
             $response = $this->json(['@id' => '/demo/books/1', 'availability' => 'https://schema.org/InStock']);