diff --git a/docs/message_retention_policies.md b/docs/message_retention_policies.md
index 42b637516f..c4888c81be 100644
--- a/docs/message_retention_policies.md
+++ b/docs/message_retention_policies.md
@@ -83,7 +83,7 @@ expired events from the database. They are only run if support for
 message retention policies is enabled in the server's configuration. If
 no configuration for purge jobs is configured by the server admin,
 Synapse will use a default configuration, which is described in the
-[sample configuration file](https://github.com/matrix-org/synapse/blob/v1.7.3/docs/sample_config.yaml#L332-L393).
+[sample configuration file](https://github.com/matrix-org/synapse/blob/master/docs/sample_config.yaml#L332-L393).
 
 Some server admins might want a finer control on when events are removed
 depending on an event's room's policy. This can be done by setting the