diff --git a/example/mozilla-iot-activitypub-adapter/activitypub-adapter.js b/example/mozilla-iot-activitypub-adapter/activitypub-adapter.js
index <HASH>..<HASH> 100644
--- a/example/mozilla-iot-activitypub-adapter/activitypub-adapter.js
+++ b/example/mozilla-iot-activitypub-adapter/activitypub-adapter.js
@@ -19,6 +19,7 @@ function message() {
   return {
     name: 'message',
     metadata: {
+      label: "Message",
       type: 'string'
     }
   };
adapter: Add Message label

If was listed as unknown before:

<URL>