diff --git a/CHANGES.md b/CHANGES.md
index e98c30d167680407b9f3b433c761f29541ca146f..1ef0c212ab0321e731ed3b8d0ed6c0cb0de0a623 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -3,7 +3,7 @@ Synapse 0.34.0rc1 (2018-12-04)
 
 Synapse 0.34 is the first release to fully support Python 3. We recommend
 upgrading to Python 3, but make sure to read the
-[UPGRADE.rst#upgrading-to-v0340](upgrade notes) when doing so.
+[https://github.com/matrix-org/synapse/blob/release-v0.34.0/UPGRADE.rst#upgrading-to-v0340](upgrade notes) when doing so.
 
 Features
 --------