From 6a3e8f587a6df2ec17caccf43133cb79a76d61a7 Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Tue, 5 May 2020 10:33:17 +0100
Subject: [PATCH] Add link to spec

---
 federationapi/routing/join.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/federationapi/routing/join.go b/federationapi/routing/join.go
index c0bec0449..ada89e4a6 100644
--- a/federationapi/routing/join.go
+++ b/federationapi/routing/join.go
@@ -275,6 +275,7 @@ func SendJoin(
 		}
 	}
 
+	// https://matrix.org/docs/spec/server_server/latest#put-matrix-federation-v1-send-join-roomid-eventid
 	return util.JSONResponse{
 		Code: http.StatusOK,
 		JSON: gomatrixserverlib.RespSendJoin{