diff --git a/changelog.d/6905.doc b/changelog.d/6905.doc
index ca10b38301ff5b691cdfcf8490dd52ffa949e8af..be0e698af8b5ce06ebd731efb630cdaa0697d019 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.