diff --git a/changelog.d/6905.doc b/changelog.d/6905.doc
index ca10b3830..be0e698af 100644
--- a/changelog.d/6905.doc
+++ b/changelog.d/6905.doc
@@ -1 +1 @@
-Mention in `ACME.md` that ACMEv1 is deprecated and explain what it means for Synapse admins.
+Update Synapse's documentation to warn about the deprecation of ACME v1.