diff --git a/targetconfig.json b/targetconfig.json
index 2f4a5146..f722b06c 100644
--- a/targetconfig.json
+++ b/targetconfig.json
@@ -31,6 +31,9 @@
         "zh-TW"
     ],
     "notifications": {
-        "localhost": "<h2>Heads Up!</h2> <br />This editor is moving to <a href=\"https://makecode.microbit.org\" >https://makecode.microbit.org</a> on July 22nd 2017"
+        "localhost": {
+            "type": "warning",
+            "message": "<h2>Heads Up!</h2> <br />This editor is moving to <a href=\"https://makecode.microbit.org\" >https://makecode.microbit.org</a> on July 22nd 2017"
+        }
     }
 }