diff --git a/config/config.sample.json b/config/config.sample.json
index 241454b..e6ea469 100644
--- a/config/config.sample.json
+++ b/config/config.sample.json
@@ -1,5 +1,7 @@
 {
+  "enableHTTPserver": true,
   "mqtt_host": "mqtt://127.0.0.1",
+  "topic_namespace": "harmony-api",
   "mqtt_options": {
       "port": 1883,
       "username": "someuser",