diff --git a/embed/templates/examples/dm/topology.example.yaml b/embed/templates/examples/dm/topology.example.yaml
index ae2be9af35..f17b5cf42a 100644
--- a/embed/templates/examples/dm/topology.example.yaml
+++ b/embed/templates/examples/dm/topology.example.yaml
@@ -70,3 +70,10 @@ alertmanager_servers:
     # deploy_dir: "/tidb-deploy/alertmanager-9093"
     # data_dir: "/tidb-data/alertmanager-9093"
     # log_dir: "/tidb-deploy/alertmanager-9093/log"
+
+# if monitored is set, node_exporter and blackbox_exporter will be
+# deployed with the port specified, otherwise they are not deployed
+# on the server to avoid conflict with tidb clusters
+#monitored:
+#  node_exporter_port: 9100
+#  blackbox_exporter_port: 9115