diff --git a/src/Symfony/Component/HttpFoundation/JsonResponse.php b/src/Symfony/Component/HttpFoundation/JsonResponse.php
index e49c6b2762..daacb82a44 100644
--- a/src/Symfony/Component/HttpFoundation/JsonResponse.php
+++ b/src/Symfony/Component/HttpFoundation/JsonResponse.php
@@ -88,7 +88,7 @@ class JsonResponse extends Response
     /**
      * Sets a raw string containing a JSON document to be sent.
      *
-     * @param string $data
+     * @param string $json
      *
      * @return JsonResponse
      *