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1# Contributing to this documentation {#chap-contributing}
2
3The DocBook sources of the Nixpkgs manual are in the [doc](https://github.com/NixOS/nixpkgs/tree/master/doc) subdirectory of the Nixpkgs repository.
4
5You can quickly check your edits with `make`:
6
7```ShellSession
8$ cd /path/to/nixpkgs/doc
9$ nix-shell
10[nix-shell]$ make $makeFlags
11```
12
13If you experience problems, run `make debug` to help understand the docbook errors.
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15After making modifications to the manual, it's important to build it before committing. You can do that as follows:
16
17```ShellSession
18$ cd /path/to/nixpkgs/doc
19$ nix-shell
20[nix-shell]$ make clean
21[nix-shell]$ nix-build .
22```
23
24If the build succeeds, the manual will be in `./result/share/doc/nixpkgs/manual.html`.