diff --git a/README.md b/README.md
index fec0ec1..2720323 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,12 @@ Since extending these was often too difficult, I have written a script here whic
 
 In addition, a few data points are generated from others, such as COP and Heat Output.
 
+# Prerequisites
+
+You need an MQTT Broker.
+For Homeassistant you need the MQTT Plugin there with enabled Auto Discovery with Discovery Topic Prefix and Birth-Messages on Discovery Topic Prefix with subtopic "status" with text "online".
+EHS-Sentinel subscribes <hass_discovery_prefix>/status Topic and if it receive an "online", then it cleans his intern known-devices topic and send the Auto Discovery Config again for any Measurment for Home Assistant.
+
 # Installation
 
 ## Simple
diff --git a/startEHSSentinel.py b/startEHSSentinel.py
index e146abc..3428de2 100644
--- a/startEHSSentinel.py
+++ b/startEHSSentinel.py
@@ -16,7 +16,7 @@ import binascii
 from CustomLogger import logger, setSilent
 from NASAPacket import NASAPacket
 
-version = "0.1SNAPSHOT"
+version = "0.0.1Beta"
 
 async def main():
     """