fix typo

Author: SuperSandro2000

README.md

@@ -74,7 +74,7 @@ To install dog, you can download a pre-compiled binary, or you can compile it fr
 
 - For Arch Linux, install the [`dog`](https://www.archlinux.org/packages/community/x86_64/dog/) package.
 - For Homebrew on macOS, install the [`dog`](https://formulae.brew.sh/formula/dog) formula.
-- For NixOS, install the [`dogns`](https://search.nixos.org/packages?channel=unstable&show=dogdns&query=dogdns) package.
+- For NixOS, install the [`dogdns`](https://search.nixos.org/packages?channel=unstable&show=dogdns&query=dogdns) package.
 
 
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