diff --git a/home/home.nix b/home/home.nix
index 1529aec0..f97da773 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -1,6 +1,8 @@
 # This is your home-manager configuration file
 # Use this to configure your home environment (it replaces ~/.config/nixpkgs/home.nix)
 
+# The nixosConfig allows to access the toplevel system configuration from within home manager
+# https://github.com/nix-community/home-manager/blob/586ac1fd58d2de10b926ce3d544b3179891e58cb/nixos/default.nix#L19
 { inputs, lib, config, nixosConfig, pkgs, ... }:
 
 rec {