diff --git a/README.md b/README.md
index bd8b8f2..4c633ac 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,24 @@
 # molly's nixos config
+
+NixOS configuration for `chi`, managed with Flakes and Home Manager.
+
+## rebuild
+
+```bash
+sudo nixos-rebuild switch --flake .#chi
+```
+
+## structure
+
+- `flake.nix` — entry point; defines the `chi` NixOS configuration and wires in Home Manager
+- `configuration.nix` — system-level NixOS settings
+- `hardware-configuration.nix` — hardware settings generated by `nixos-generate-config`
+- `home.nix` — Home Manager settings for user `mollyw`
+- `flake.lock` — pinned flake inputs
+
+## updating inputs
+
+```bash
+nix flake update
+sudo nixos-rebuild switch --flake .#chi
+```
diff --git a/configuration.nix b/configuration.nix
index b7fb45b..8cbf746 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -6,7 +6,7 @@
   boot.loader.efi.canTouchEfiVariables = true;
 
   # System configuration
-  networking.hostName = "nixos";
+  networking.hostName = "chi";
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
 
   # Networking
@@ -78,4 +78,4 @@
 
   # System state version
   system.stateVersion = "26.05";
-}
\ No newline at end of file
+}
diff --git a/flake.nix b/flake.nix
index 8385517..ebbbddc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,6 +12,7 @@
   outputs = inputs@{ nixpkgs, home-manager, ... }: {
     nixosConfigurations = {
       chi = nixpkgs.lib.nixosSystem {
+        specialArgs = { inherit inputs; };
         modules = [
           ./configuration.nix
           home-manager.nixosModules.home-manager
diff --git a/hardware-configuration.nix b/hardware-configuration.nix
index 6814e15..511c8fc 100644
--- a/hardware-configuration.nix
+++ b/hardware-configuration.nix
@@ -1,5 +1,5 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
+# Do not modify this file! It was generated by 'nixos-generate-config'
+# and may be overwritten by future invocations. Please make changes
 # to /etc/nixos/configuration.nix instead.
 { config, lib, pkgs, modulesPath, ... }:
 
diff --git a/home.nix b/home.nix
index 46c1e94..a582984 100644
--- a/home.nix
+++ b/home.nix
@@ -9,17 +9,6 @@
 }: {
   imports = [ ];
 
-  nixpkgs = {
-    overlays = [
-      inputs.self.overlays.additions
-      inputs.self.overlays.modifications
-      inputs.self.overlays.unstable-packages
-    ];
-    config = {
-      allowUnfree = true;
-    };
-  };
-
   home = {
     username = "mollyw";
     homeDirectory = "/home/mollyw";
@@ -29,8 +18,10 @@
     home-manager.enable = true;
     git = {
       enable = true;
-      userName = "molly.computer";
-      userEmail = "molly@molly.computer";
+      settings.user = {
+        name = "molly.computer";
+        email = "molly@molly.computer";
+      };
     };
   };