diff --git a/playground/unsw/edit-test/edit-row-schema.json b/playground/unsw/edit-test/edit-row-schema.json
index 66b1026b..fbff49dd 100644
--- a/playground/unsw/edit-test/edit-row-schema.json
+++ b/playground/unsw/edit-test/edit-row-schema.json
@@ -24,7 +24,7 @@
     "z": {
       "type": "string",
       "title": "Z"
-    }
+    },
 
     "request.chemistry": {
       "type": "array",