diff --git a/node_external_ip_controller_async.py b/node_external_ip_controller_async.py
index 28eff35..e960ce0 100644
--- a/node_external_ip_controller_async.py
+++ b/node_external_ip_controller_async.py
@@ -3,7 +3,9 @@ from kubernetes_asyncio import client, config, watch
 import os
 
 # Configuration
-SERVICE_NAME = os.getenv("SERVICE_NAME", "traefik-tcp")
+SERVICE_NAME = os.getenv(
+    "SERVICE_NAME", "traefik-tcp"
+)  # service name for truechart traefik helm
 SERVICE_NAME_LABEL_PATTERN = os.getenv(
     "SERVICE_NAME_LABEL_PATTERN", "app.kubernetes.io/name=traefik"
 )