diff --git a/FEDERATION.md b/FEDERATION.md
index c551b09..b26476c 100644
--- a/FEDERATION.md
+++ b/FEDERATION.md
@@ -440,7 +440,7 @@ Requirements, suggestions and details:
 {
     "@context": "https://www.w3.org/ns/activitystreams",
     "id": "https://federated.coop/luke/outbox/A0O8l",
-    "type": "Create"
+    "type": "Create",
     "to": [
         "https://federated.coop/luke/text-adventure",
         "https://federated.coop/luke/text-adventure/issues/113/followers",