diff --git a/lib/README.md b/lib/README.md
index fc6f9bff..de340e00 100644
--- a/lib/README.md
+++ b/lib/README.md
@@ -1,8 +1,8 @@
 # Library
 
-Some Helper functions for the project:
+Some helper functions, used by `flake.nix` to reduce code duplication and make it easier to add new machines:
 
-1. `macosSystem.nix`: A function to generate attribute set for macOS([nix-darwin](https://github.com/LnL7/nix-darwin)), used by `flake.nix` to reduce code duplication and make it easier to add new machines.
-2. `nixosSystem.nix`: A function to generate attribute set for NixOS, used by `flake.nix` to reduce code duplication and make it easier to add new machines.
-3. `colmenaSystem.nix`: A function to generate attribute set for remote deployment using [colmena](https://github.com/zhaofengli/colmena), used by `flake.nix` to reduce code duplication and make it easier to add new machines.
+1. `macosSystem.nix`: A function to generate config(attribute set) for macOS([nix-darwin](https://github.com/LnL7/nix-darwin)).
+2. `nixosSystem.nix`: A function to generate config(attribute set) for NixOS.
+3. `colmenaSystem.nix`: A function that generate config(another function) for remote deployment using [colmena](https://github.com/zhaofengli/colmena).