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 3ff7c249..89237866 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
@@ -1,5 +1,5 @@
 {
-    
+   
   "order": {  
     "type": "object",
     "properties": {