diff --git a/examples/2-in-depth/2-4-messages/waiter/order-schema.json b/examples/2-in-depth/2-4-messages/waiter/order-schema.json
index 672bce02..a4ca6a25 100644
--- a/examples/2-in-depth/2-4-messages/waiter/order-schema.json
+++ b/examples/2-in-depth/2-4-messages/waiter/order-schema.json
@@ -25,3 +25,4 @@
      ]
     }
 }
+{}
\ No newline at end of file