diff --git a/README.md b/README.md
index f49dcce2268..19e8cb83846 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,18 @@
 Nixpkgs is a collection of packages for [Nix](https://nixos.org/nix/) package
-manager. Nixpkgs also includes [NixOS](https://nixos.org/nixos/) linux distribution source code.
+manager.
+
+[NixOS](https://nixos.org/nixos/) linux distribution source code is located inside `nixos/` folder.
 
 * [NixOS installation instructions](https://nixos.org/nixos/manual/#ch-installation)
+* [Documentation (Nix Expression Language chapter)](https://nixos.org/nix/manual/#ch-expression-language)
 * [Manual (How to write packages for Nix)](https://nixos.org/nixpkgs/manual/)
 * [Manual (NixOS)](https://nixos.org/nixos/manual/)
-* [Continuous build](https://hydra.nixos.org/jobset/nixos/trunk-combined)
-* [Tests](https://hydra.nixos.org/job/nixos/trunk-combined/tested#tabs-constituents)
+* [Continuous package builds for unstable/master](https://hydra.nixos.org/jobset/nixos/trunk-combined)
+* [Continuous package builds for 14.12 release](https://hydra.nixos.org/jobset/nixos/release-14.12)
+* [Tests for unstable/master](https://hydra.nixos.org/job/nixos/trunk-combined/tested#tabs-constituents)
+* [Tests for 14.12 release](https://hydra.nixos.org/job/nixos/trunk-combined/release-14.12#tabs-constituents)
+
+Communication:
+
 * [Mailing list](https://lists.science.uu.nl/mailman/listinfo/nix-dev)
 * [IRC - #nixos on freenode.net](irc://irc.freenode.net/#nixos)