diff --git a/dataset_config/multiwoz21.json b/dataset_config/multiwoz21.json
index 2fff3bb30b60d48d623c9792ebf7a0caf70e2aaf..c420933e40a8ab743700affbdd9b8fe15d11e63a 100644
--- a/dataset_config/multiwoz21.json
+++ b/dataset_config/multiwoz21.json
@@ -7,7 +7,7 @@
     "false",
     "refer",
     "inform"
-  ]
+  ],
   "slots": [
     "taxi-leaveAt",
     "taxi-destination",
@@ -39,7 +39,7 @@
     "train-day",
     "train-arriveBy",
     "train-departure"
-  ]
+  ],
   "label_maps": {
     "guest house": [
       "guest houses"