diff --git a/nixos/readme.md b/nixos/readme.md
index fb0150b..2ec2f5a 100644
--- a/nixos/readme.md
+++ b/nixos/readme.md
@@ -1,6 +1,8 @@
 Rebuild nixos and points to dotfiles dir:
 
 ```
-sudo nixos-rebuild switch --flake ~/dotfiles/nixos
+sudo nixos-rebuild switch --flake ~/dotfiles/nixos#macbook
+# or
+sudo nixos-rebuild switch --flake ~/dotfiles/nixos#wsl
 ```