diff --git a/README.md b/README.md
index 059c785..b2633ea 100644
--- a/README.md
+++ b/README.md
@@ -159,14 +159,16 @@ reboot
 
 ### 10. Post Installation
 
+Generate SMB-credentials (if network mounts are used)
+
 ```bash
-# SMB-Zugangsdaten einrichten (falls Netzlaufwerke genutzt werden)
 sudo /etc/nixos/setup-smb-credentials.sh
 ```
 
 ## Wartung
 
+Optimise Nix Store and remove old generations
+
 ```bash
-# Nix Store optimieren und alte Generationen entfernen
 sudo nix-store --optimise && sudo nix-collect-garbage -d
 ```
diff --git a/scripts/post-install.sh b/scripts/post-install.sh
index 58e974b..faad3fa 100755
--- a/scripts/post-install.sh
+++ b/scripts/post-install.sh
@@ -30,4 +30,4 @@ esac
 nix-channel --add https://github.com/nix-community/home-manager/archive/release-25.11.tar.gz home-manager
 nix-channel --update
 
-nixos-rebuild switch
+nixos-rebuild switch --option experimental-features "nix-command flakes"