diff --git a/source/recipes/devshell/haskell-pkg/main.adoc0 b/source/recipes/devshell/haskell-pkg/main.adoc0
index 2c2447d..72bd455 100644
--- a/source/recipes/devshell/haskell-pkg/main.adoc0
+++ b/source/recipes/devshell/haskell-pkg/main.adoc0
@@ -4,7 +4,7 @@
 $ mkdir tempwork
 $ cd tempwork
 $ cp ../flake.nix Main.hs .
-$ git add flake.nix
+$ git add flake.nix Main.hs
 $ nix develop
 $ git add flake.lock
 $ git commit -a -m temp