diff --git a/README.md b/README.md
index f40fcda..c16d60f 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@
 
 ```bash
 git clone https://git.foglar.tech/foglar/dotfiles.git $HOME/.dotfiles
-sudo nixos-rebuild switch --flake ~/.dotfiles#kogami
+sudo nixos-rebuild switch --flake ~/.dotfiles#kogami --update # To update flake.lock file
 ```
 
 - generate a vm of the flake with this command
diff --git a/kogami/README.md b/kogami/README.md
index 265e61a..365637d 100644
--- a/kogami/README.md
+++ b/kogami/README.md
@@ -44,6 +44,7 @@
 
 - In [home.nix](./home.nix) you have user/home-manager configuration.
 - Also I am using custom application lists in [apps](../nixos/home/apps/)
+- In this configuration I am using [NixOS helper](https://github.com/viperML/nh) for rebulding my system `nh os switch`
 
 | Home configuration |
 | ------------------ |