diff --git a/README.md b/README.md
index 642821fe4b1fec8f7786106614d7120491f836e2..2343d699857d972e90b04e9998cabfb40e63ce68 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,8 @@ Default values should work normally though.
 
 ## Examples
 Example command to test service 17,
-assuming no set client IP (set manually to PC IP Address if necessary) and default board IP 169.254.1.38:
+assuming no set client IP (set manually to PC IP Address if necessary). IP Address or port numbers have to be
+set manually in the global configuration file (IP address can be passed as a command line  argument):
 ```sh
 obsw_tmtc_client.py -m 3 -s 17
 ```