diff --git a/53.md b/53.md
index 9a86d9e0..c5f2704e 100644
--- a/53.md
+++ b/53.md
@@ -71,7 +71,7 @@ Event `kind:1311` is live chat's channel message. Clients MUST include the `a` t
   "created_at": "<Unix timestamp in seconds>",
   "kind": 1311,
   "tags": [
-    ["a", "34550:<Community event author pubkey>:<d-identifier of the community>", "<Optional relay url>", "root"],
+    ["a", "30311:<Community event author pubkey>:<d-identifier of the community>", "<Optional relay url>", "root"],
   ],
   "content": "Zaps to live streams is beautiful."
 }