[PR] #6 YisuiDenghua/patch-3 Readme.md update

Update README.md

README.md

@@ -19,21 +19,13 @@ pip install hyfetch
 Currently, these distributions have existing packages for HyFetch:
 
 * ArchLinux: `yay -S hyfetch` (Thanks to @ Aleksana)
-* Nix (Nixpkgs): `nix-env -i hyfetch` ([In Progress](https://github.com/NixOS/nixpkgs/pull/170309))
-* Nix (NUR): ([In Progress](https://github.com/nix-community/NUR/pull/467))
+* Nix (Nixpkgs): `nix-env -i hyfetch` ([In Progress](https://github.com/NixOS/nixpkgs/pull/170309)) 
+* Nix ([NUR](nur.nix-community.org)): Install package `nur.repos.YisuiMilena.hyfetch`. (Thanks to @ YisuiDenghua)
 * Guix: `guix install hyfetch` (Thanks to @ WammKD)
 
 Currently, if you're using Nix the package manager or NixOS, you can use HyFetch with `nix-env -if https://github.com/hykilpikonna/hyfetch/tarball/master -A hyfetch`
 
-> Now `hyfetch` is available in our NixOS-CN's flake. You can add [NixOS-CN](https://github.com/nixos-cn/flakes) in your [Nix Flake](https://nixos.org/manual/nix/unstable/command-ref/new-cli/nix3-flake.html) at first, then install package `hyfetch`.
-> ```
-> #flake.nix
-> 
->             environment.systemPackages =
->               [ nixos-cn.legacyPackages.${system}.hyfetch ];
->               
-> ```              
-> (Thanks to @ YisuiDenghua and @ linyinfeng )
+>  `hyfetch` is also available in our NixOS-CN's flake. You can add [NixOS-CN](https://github.com/nixos-cn/flakes) in your [Nix Flake](https://nixos.org/manual/nix/unstable/command-ref/new-cli/nix3-flake.html) at first, then install package `hyfetch`. (Thanks to @ YisuiDenghua and @ linyinfeng )
 
 ## Usage