diff --git a/source/_docs/mqtt/testing.markdown b/source/_docs/mqtt/testing.markdown
index 7db04673c45..f294ba83610 100644
--- a/source/_docs/mqtt/testing.markdown
+++ b/source/_docs/mqtt/testing.markdown
@@ -16,7 +16,7 @@ If you are using the embedded MQTT broker, the command looks a little different
 $ mosquitto_pub -V mqttv311 -u homeassistant -P <broker password> -t "hello" -m world
 ```
 
-Another way to send MQTT messages by hand is to use the "Developer Tools" in the Frontend. Choose "Call Service" and then `mqtt/mqtt_send` under "Available Services". Enter something similar to the example below into the "Service Data" field.
+Another way to send MQTT messages by hand is to use the "Developer Tools" in the Frontend. Choose "Call Service" and then `mqtt.publish` under "Available Services". Enter something similar to the example below into the "Service Data" field.
 
 ```json
 {