diff --git a/readme.md b/readme.md
index e3914d9..e77ded0 100755
--- a/readme.md
+++ b/readme.md
@@ -18,7 +18,7 @@ _Commands here will assume you are currently in the directory of the dotfiles._
 	```
 - To update the system:
 	```sh
-	sudo nixos-rebuild switch --upgrade --flake ".#server"
+	sudo nixos-rebuild switch --upgrade --flake ".#server" a
 	```
 - To test the system:
 	```sh