diff --git a/README.md b/README.md
index 08b60f3..ac3ab19 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ chmod +x wireguard-install.sh
 Then run it :
 
 ```sh
-./wireguard-install.sh
+./wireguard-install.sh -install
 ```
 
 It will install wireguard on the server, configure, create a systemd service and a client configuration file. Mutliple clients are not yet supported.