diff --git a/README.md b/README.md
index 730f1dc..af717df 100644
--- a/README.md
+++ b/README.md
@@ -11,4 +11,5 @@ The keyboard device to be deactivated in tablet mode must be specified in `/etc/
     
 ## Usage
 
-You can toggle between tablet and laptop mode by running `toggle-tablet-mode`.
+You must be a member of the group `tablet` to toggle between tablet and laptop mode.
+You can toggle between tablet and laptop mode by running `toggle-tablet-mode` or use the desktop icon provided with this package.