diff --git a/changelogs/server_server/newsfragments/2334.clarification b/changelogs/server_server/newsfragments/2334.clarification
index 5ea52dc3..417a9a91 100644
--- a/changelogs/server_server/newsfragments/2334.clarification
+++ b/changelogs/server_server/newsfragments/2334.clarification
@@ -1 +1 @@
-Clarify that server ACLs are case-insensitive.
\ No newline at end of file
+Clarify that server ACLs are case-insensitive, as per [MSC4436](https://github.com/matrix-org/matrix-spec-proposals/pull/4436).
\ No newline at end of file