diff --git a/playground/dan/gateways/is-rain-schema.json b/playground/dan/gateways/is-rain-schema.json
index 58d2f4d0..7246bf83 100644
--- a/playground/dan/gateways/is-rain-schema.json
+++ b/playground/dan/gateways/is-rain-schema.json
@@ -6,7 +6,7 @@
       "type": "boolean",
       "title": "Is it raining today?",
       "default": false
-
+      ""
     }
   }
 }
\ No newline at end of file