diff --git a/README.md b/README.md
index f4a1f41d..eacaddef 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ pip3 install jc
 | Fedora linux          | `dnf install jc`                                                              |
 | openSUSE linux        | `zypper install jc`                                                           |
 | Arch linux            | `pacman -S jc`                                                                |
-| NixOS linux           | `nix-env -iA nixpkgs.jc`                                                      |
+| NixOS linux           | `nix-env -iA nixpkgs.jc` or `nix-env -iA nixos.jc`                            |
 | Guix System linux     | `guix install jc`                                                             |
 | MacOS                 | `brew install jc`                                                             |
 | FreeBSD               | `portsnap fetch update && cd /usr/ports/textproc/py-jc && make install clean` |