diff --git a/README.md b/README.md
index 2f43d74..8d82f72 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,6 @@ You can define the speed and colors with the `steps` and `colors` variables.
 
 As it uses directly the led system class, it need to be run as root.
 
+You will need to replace `<vendor>` by the actual real value applicable to your system.
+
 The python script will be placed at `/var/rgb.py` and a cron task will be automatically created to start the script at boot time.
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