diff --git a/embed/examples/dm/topology.example.yaml b/embed/examples/dm/topology.example.yaml
index f17b5cf42a..945d9759ad 100644
--- a/embed/examples/dm/topology.example.yaml
+++ b/embed/examples/dm/topology.example.yaml
@@ -47,6 +47,9 @@ worker_servers:
     # # Config is used to overwrite the `server_configs.dm-worker` values
     config:
       log-level: info
+      # keepalive-ttl: 60
+      # relay-keepalive-ttl: 1800 # since v2.0.2
+      # relay-dir: "" # since v5.4.0
   - host: 10.0.1.19
 
 monitoring_servers: