diff --git a/docs/MultiLayer-API.md b/docs/MultiLayer-API.md
index 793a60a9..06e7ce39 100644
--- a/docs/MultiLayer-API.md
+++ b/docs/MultiLayer-API.md
@@ -17,8 +17,8 @@ Windshaft-CartoDB adds the following attributes in the response object
 
    ```json
    {
-     http: 'http://cdn_url.com/'
-     https: 'https://secure.cdn_url.com/'
+     "http": "http://cdn_url.com/"
+     "https": "https://secure.cdn_url.com/"
    }
    ```