diff --git a/config/config.example.json b/config/config.example.json
index b2f78987c..88578701a 100644
--- a/config/config.example.json
+++ b/config/config.example.json
@@ -559,6 +559,7 @@
     }
   },
   "gateway": {
+    "_comment": "Default log level is set to 'fatal'. Other available options are 'debug', 'info', 'warn' and 'error'.",
     "host": "127.0.0.1",
     "port": 18790,
     "hot_reload": false,