diff --git a/software/flow/README.md b/software/flow/README.md
index 59e71db..51205a5 100644
--- a/software/flow/README.md
+++ b/software/flow/README.md
@@ -12,7 +12,7 @@ The dashboard should be visible on the righmost menu item in Node-RED.
 
 ![Dashboard item](./docs/images/dashboard.png)
 
-In Node-RED you can add a MQQT node to receive values from the power monitor.
+In Node-RED you can add a MQQT node to receive values from the power monitor. As we run in `docker-compose`you don't have to use the IP address of our Eclipse Mosquitto sever, but you can simplay use `mosquitto` as the host nome.
 
 ![MQTT Node](./docs/images/2-mqtt-node.png)
 
diff --git a/software/flow/docs/images/2-mqtt-node.png b/software/flow/docs/images/2-mqtt-node.png
index cbac17b..1b4955b 100644
Binary files a/software/flow/docs/images/2-mqtt-node.png and b/software/flow/docs/images/2-mqtt-node.png differ