diff --git a/README.md b/README.md
index 650e980..4e5c788 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Usage of ./dht2mqtt:
   -log-level string
         log level (debug, info, warn, error, fatal, panic, disabled) (default "info")
   -mqtt-topic-root string
-        MQTT url, example: dh2mqtt/ (default "dh2mqtt/")
+        MQTT url, example: dht2mqtt/ (default "dht2mqtt/")
   -mqtt-url string
         MQTT url, example: tcp://127.0.0.1:1883
   -mqtt-username string
diff --git a/cmd/dht2mqtt/config.go b/cmd/dht2mqtt/config.go
index e6a74bf..601a644 100644
--- a/cmd/dht2mqtt/config.go
+++ b/cmd/dht2mqtt/config.go
@@ -27,7 +27,7 @@ func readConfig() config {
 	fahrenheit := flag.Bool("fahrenheit", false, "Temperature unit. Fahrenheit if set, default is Celcius")
 
 	mqttUrl := flag.String("mqtt-url", "", "MQTT url, example: tcp://127.0.0.1:1883")
-	mqttTopicRoot := flag.String("mqtt-topic-root", "dh2mqtt/", "MQTT url, example: dh2mqtt/")
+	mqttTopicRoot := flag.String("mqtt-topic-root", "dht2mqtt/", "MQTT url, example: dht2mqtt/")
 
 	mqttUsername := flag.String("mqtt-username", "", "username to connect to MQTT. The password must be set as in 'DHT2MQTT_PASSWORD' varenv")
 	mqttPassword := os.Getenv("DHT2MQTT_PASSWORD")