diff --git a/domains/activities.maskduck.json b/domains/activities.maskduck.json
index 101712b3b5..6fb6a65997 100644
--- a/domains/activities.maskduck.json
+++ b/domains/activities.maskduck.json
@@ -8,4 +8,5 @@
   },
   "record": {
     "CNAME": "readthedocs.io"
+  }
 }