<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="chap-contributing"> <title>Contributing to this documentation</title> <para>The DocBook sources of the Nixpkgs manual are in the <filename xlink:href="https://github.com/NixOS/nixpkgs/tree/master/doc">doc</filename> subdirectory of the Nixpkgs repository. If you make modifications to the manual, it's important to build it before committing. You can do that as follows: <screen> $ cd /path/to/nixpkgs $ nix-build doc </screen> If the build succeeds, the manual will be in <filename>./result/share/doc/nixpkgs/manual.html</filename>.</para> </chapter>