diff --git a/README.md b/README.md
index 8d3049d04c269813aeaaec2c14ac75a224bba56a..7fdec0515ae22508d53465e4e37bf904569dc848 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,3 @@
-
 # PyPCC
 Python OPC-UA server to control the I2C devices in the LTS. 
 
@@ -34,21 +33,23 @@ python3 -m pip install -r requirements.txt
 
 # Execute it
 
-The software can be simply executed with Python3:  `python3 pypcc2.py -c RCY,CLK,UNB2`
+The software can be simply executed with Python3:  `python3 pypcc2.py -c RCU,CLK,UNB2`
 
 Optional parameters are explained when the `-h` or `--help` parameter is supplied:
 
 ```bash
 python3 pypcc2.py --help
-cryptography is not installed, use of crypto disabled
-cryptography is not installed, use of crypto disabled
-usage: pypcc2.py [-h] [-s] [--no-lib-hack] [-p PORT]
+usage: pypcc2.py [-h] [-s] [-t] [-p PORT] [-l {DEBUG,INFO,WARNING,ERROR}] [-c CONFIG]
 
 optional arguments:
   -h, --help            show this help message and exit
   -s, --simulator       Do not connect to I2c, but simulate behaviour.
+  -t, --test            Do not start OPC-UA server.
   -p PORT, --port PORT  Port number to listen on [4842].
-  -c ..
-  -t ...
+  -l {DEBUG,INFO,WARNING,ERROR}, --loglevel {DEBUG,INFO,WARNING,ERROR}
+                        Log level [INFO].
+  -c CONFIG, --config CONFIG
+                        YAML config files, comma seperated [RCU]
+
 ```