diff --git a/README.md b/README.md
index 55a0223..8b21189 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,8 @@ There are 3 main templates in this repository:
 1. Run `nix flake new -t github:auxolotl/templates#darwin NixFiles` in the teminal. This will setup the basic configuration for the system, this generate a configuration for you from the files located in the `darwin` directory.
 2. The next step is to go into the `NixFiles` directory this can be achieved by running `cd NixFiles`.
 3. Now we you need to read over the configuration files and make any changes that you see fit, some of these must include changing your username and hostname.
-4. You now must rebuild this configuration we can do this with `darwin-rebuild switch --flake .`. This assumes that your host name has not changed.
+4. You now must rebuild this configuration we can do this with `nix run darwin-rebuild -- switch --flake .#hostname` hostname should be subsituted for your systems hostname.
+5. After your first run you are now able to use the `darwin-rebuild switch --flake .` command to rebuild your system.
 
 #### With Linux
 
@@ -30,4 +31,4 @@ Congratulations, you are now using Aux!
 
 1. Run `nix flake new -t github:auxolotyl/templates#home-manager NixFiles` to start
 2. Move into your new Nix system with `cd NixFiles`
-3. Fill in your `username` in `flake.nix`
\ No newline at end of file
+3. Fill in your `username` in `flake.nix`