diff --git a/source/guides/faq.md b/source/guides/faq.md
index c701cb8..f27c5ee 100644
--- a/source/guides/faq.md
+++ b/source/guides/faq.md
@@ -45,7 +45,11 @@ See <https://github.com/nix-community/home-manager>
 
 ### What's the recommended process for building custom packages?
 
-> E.g. if I git clone nixpkgs how do I use the cloned repo to define new / updated packages?
+Please read [](packaging-existing-software).
+
+### How to use a clone of the Nixpkgs repository to update or write new packages?
+
+Please read [](packaging-existing-software) and the [Nixpkgs contributing guide](https://github.com/NixOS/nixpkgs/blob/master/CONTRIBUTING.md).
 
 ## NixOS