diff --git a/start.sh b/start.sh
index b5a2031..1bc187f 100755
--- a/start.sh
+++ b/start.sh
@@ -54,7 +54,7 @@ yq w -i /app/data/configs/homeserver.yaml 'password_providers[0].config.bind_dn'
 yq w -i /app/data/configs/homeserver.yaml 'password_providers[0].config.bind_password' "${CLOUDRON_LDAP_BIND_PASSWORD}"
 yq w -i /app/data/configs/homeserver.yaml 'password_providers[0].config.filter' "(objectClass=user)"
 
-# turn (https://github.com/matrix-org/synapse/blob/53969e196004659c6a9f138f5d8abd86f4957d74/docs/turn-howto.rst)
+# turn (https://github.com/matrix-org/synapse/blob/master/docs/turn-howto.md#synapse-setup)
 yq w -i /app/data/configs/homeserver.yaml turn_uris "[\"turn:${CLOUDRON_TURN_SERVER}:${CLOUDRON_TURN_TLS_PORT}?transport=udp\", \"turn:${CLOUDRON_TURN_SERVER}:${CLOUDRON_TURN_TLS_PORT}?transport=tcp\"]"
 yq w -i /app/data/configs/homeserver.yaml turn_shared_secret "${CLOUDRON_TURN_SECRET}"