diff --git a/README.md b/README.md
index 5e82515..d8a34c5 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ systemd=true
 
 Then type logout and restart the wsl system by command:
 ```
-wsl --shutdown Debian
+wsl --shutdown -d Debian
 ```
 
 Once you created the new linux user, it is seems under Windows Explorer via folder. You need to download the install.sh and the installer.pub key file and place it to the user's folder.