1 files changed, 1 insertions, 1 deletions

diff --git a/README.rst b/README.rst

index 47f8ef62db..b7b3b20159 100644
--- a/README.rst
+++ b/README.rst
@@ -229,7 +229,7 @@ ACME setup
 ----------
 
 For details on having Synapse manage your federation TLS certificates
-automatically, please see `<docs/ACME.rst>`_.
+automatically, please see `<docs/ACME.md>`_.
 
 Registering a user
 ------------------