diff --git a/README.md b/README.md
index ab9adf4..6987f42 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ stty -F /dev/serial/by-id/usb-VictronEnergy_BV_VE_Direct_cable_VE{random charact
    
 Now you can test the serial connection:
 ```
-grep -a -m 1 PID -A 50 /dev/serial/by-id/usb-VictronEnergy_BV_VE_Direct_cable_VEAWDESA-if00-port0
+grep -a -m 1 PID -A 50 /dev/serial/by-id/usb-VictronEnergy_BV_VE_Direct_cable_VE{random characters}-if00-port0
 ```
 This should lead to an output like this:
 ```