diff --git a/docs/finalize_setup.md b/docs/finalize_setup.md
index 6e29528..b056745 100644
--- a/docs/finalize_setup.md
+++ b/docs/finalize_setup.md
@@ -21,7 +21,7 @@ pacman -S btrfs-progs
 systemctl reboot
 
 # Remove arch linux on arm default user
-userdel alarm
+userdel -r alarm
 
 # Set root password
 passwd