diff --git a/README.md b/README.md
index 9b32071..e58f98d 100644
--- a/README.md
+++ b/README.md
@@ -4,11 +4,15 @@ This addon builds on the excellent work of [Adrian Kumpf](https://github.com/adr
 
 ## DB Connection
 
-If using the Postgres addon from this repo, the database host is ```29b65938-postgres```
+If using the Postgres addon from this repo, the database host is `29b65938-postgres`
+
+## MQTT Configuration
+
+You **must** have a username and password defined for your MQTT user, do not use the HA local login (thanks [quach128](https://github.com/quach128))
 
 ## Grafana Configuration
 
-> I recommend you use the existing Grafana addon from the community addons
+I recommend you use the existing Grafana addon from the community addons
 
 **NEW - Automatic dashboard uploading!**