diff --git a/README.md b/README.md
index e61b787..567e879 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ pip install -e .
 run an client application for example the LE Audio Unicast Client:
 
 ```
-unicast_client -p serial:COMXY -w path/to/wav/file/your_wav.wav -t COMPLETE_LOCAL_NAME 
+unicast_client -p COMXY -w path/to/wav/file/your_wav.wav -t COMPLETE_LOCAL_NAME 
 ```
 
 NOTE: You can use sound examples located in leaudio/sounds