diff --git a/nix/README.rst b/nix/README.rst
index 24998d2dd..07b99dab8 100644
--- a/nix/README.rst
+++ b/nix/README.rst
@@ -19,11 +19,14 @@ This sets up an environment suitable for using ARTIQ, including the ARTIQ-Python
 
     * $ ``source ~/.nix-profile/etc/profile.d/nix.sh``
 
-* $ ``git clone github.com/m-labs/artiq``
-* $ ``cd artiq/nix``
-* $ ``nix-env -i -f default.nix``
-
-The above command will setup your entire environment. Note that it will compile LLVM, which uses a lot of CPU time and disk space.
+* $ ``nix-channel --add https://nixbld.m-labs.hk/project/artiq/channel/latest m-labs``
+* $ ``nix-channel --update``
+* create the file ``~/.config/nix/nix.conf`` with the following content:
+``
+substituters = https://cache.nixos.org https://nixbld.m-labs.hk
+trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nixbld.m-labs.hk-1:5aSRVA5b320xbNvu30tqxVPXpld73bhtOeH6uAjRyHc=
+``
+* $ ``nix-env -i python3.6-artiq``
 
 ARTIQ development environment with Nix
 ======================================