diff --git a/README.md b/README.md
index 357d113..a0ac6c5 100644
--- a/README.md
+++ b/README.md
@@ -7,16 +7,15 @@ This bridigng component reads Dutch Smart Meter Requirements (DSMR) telegrams an
 * [DSMR Parser](https://github.com/ndokter/dsmr_parser)
 * [Homie4](https://github.com/mjcumming/homie4)
 
-![Works with Homie](https://homieiot.github.io/img/works-with-homie.png). 
-
 ## Configuration
 
 Create some environment variables (e.g. with a .env file) to specify the required settings:
 
 ```bash
 PYTHONPATH="."
-MQTT_HOST=mqtt.local
+MQTT_HOST=<mqtt-broker-hostname>
 DSMR_PORT=/dev/ttyUSB0
+DSMR_PROTOCOL=V5
 ```
 
 If you have forwared the raw serial signal through ser2net, you should use `DSMR_PORT=remote://<hostname>:<port>`, e.g.:
@@ -29,5 +28,9 @@ If you use credentials to access the MQTT broker, then alsp specify:
 
 ```bash
 MQTT_USERNAME=<mqtt-user>
-MQTT_PASSWORD=<mqtt_passwrd>
+MQTT_PASSWORD=<mqtt-password>
 ```
+
+Inspect the source [`app_settings.py`](app_settings.py) to find out about the other less frequently used settings.
+
+![Works with Homie](https://homieiot.github.io/img/works-with-homie.png)
diff --git a/app_settings.py b/app_settings.py
index 5544a7b..74be225 100644
--- a/app_settings.py
+++ b/app_settings.py
@@ -5,7 +5,7 @@ VERSION = "0.1.1"
 
 
 class Settings(BaseSettings):
-    """Application settings for the DSMR MQTT bridge."""
+    """Application settings for the DSMR 2 MQTT bridge."""
 
     loglevel: str = Field('INFO', env='LOGLEVEL')