diff --git a/docs/api.md b/docs/api.md
index 496fb2b..3354547 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -27,7 +27,8 @@ All endpoints that return a JSON body support `&hl=LANGUAGE` for translating fie
   "metadata": {
     "updatedAt": Int64,
     "lastChannelRefreshedAt": Int64
-  }
+  },
+  "playback": {}
 }
 ```