diff --git a/README.md b/README.md
index 901c6fc..3274c0e 100644
--- a/README.md
+++ b/README.md
@@ -1,28 +1,29 @@
 Install a system via nixos-anywhere
 
 ```bash
-❯ nix run github:numtide/nixos-anywhere -- \
+$ nix run github:numtide/nixos-anywhere -- \
   --flake 'git+https://git.hoyer.xyz/harald/nixcfg'.#hostname \
   root@hostname --no-reboot --tty -i $HOME/.ssh/id_ed25519
 ... enter disk password
-❯ ssh -t root@hostname systemd-cryptenroll /dev/luksdev --wipe-slot=tpm2 --tpm2-device=auto --tpm2-pcrs=1,15
+$ ssh -t root@hostname systemd-cryptenroll /dev/luksdev --wipe-slot=tpm2 --tpm2-device=auto --tpm2-pcrs=1,15
 ```
 
 nixos-rebuild remote git flake
 
 ```bash
-❯ sudo nixos-rebuild boot --refresh --flake git+https://git.hoyer.xyz/harald/nixcfg
+$ nixos-rebuild --use-remote-sudo -L --show-trace --refresh --flake git+https://git.hoyer.xyz/harald/nixcfg boot
 ```
+on darwin
+
+```bash
+$ darwin-rebuild --use-remote-sudo -L --show-trace --refresh --flake git+https://git.hoyer.xyz/harald/nixcfg switch
+```
+
 
 home-manager remote git flake
 
 ```bash
-❯ nix --refresh run 'git+https://git.hoyer.xyz/harald/nixcfg' -- \
+$ nix --refresh run 'git+https://git.hoyer.xyz/harald/nixcfg' -- \
   switch -b backup --flake 'git+https://git.hoyer.xyz/harald/nixcfg'
 ```
 
-`command-not-found` unable to open database
-
-```bash
-❯ sudo nix-channel --update
-```