Nix package manager instructions

1 files changed, 4 insertions, 2 deletions

diff --git a/README.md b/README.md
index 3a6bce8..9774510 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,11 @@ Share costs with a group of people.
 
 ## Usage
 
+Install the nix package manager and get `cabal-install` and `cabal2nix`.
+
 ```
-cabal sandbox init
-cabal install --only-dependencies
+cabal2nix --shell SharedCost.cabal > shell.nix
+nix-shell -I ~ --command 'cabal configure'
 npm install
 npm run elm-install
 npm start