diff --git a/source/recipes/devshell/haskell-pkg/main.adoc0 b/source/recipes/devshell/haskell-pkg/main.adoc0
index dd71b2c..6112878 100644
--- a/source/recipes/devshell/haskell-pkg/main.adoc0
+++ b/source/recipes/devshell/haskell-pkg/main.adoc0
@@ -8,6 +8,7 @@ $ git add flake.nix
 $ nix develop
 $ git add flake.lock
 $ git commit -a -m temp
+$ ls -lf
 ////
 
 Occasionally you might want to run a short Haskell program that depends on a Haskell library,