diff --git a/source/recipes/devshell/nixpkg/main.adoc0 b/source/recipes/devshell/nixpkg/main.adoc0
index e07fe8e..f9ab2cb 100644
--- a/source/recipes/devshell/nixpkg/main.adoc0
+++ b/source/recipes/devshell/nixpkg/main.adoc0
@@ -20,6 +20,7 @@ Here's a demonstration using the shell.
 
 ....
 $ cowsay "Moo!"     # Fails; dependency not available
+$ echo "DEBUG PATH=$PATH"
 $# start-shell nix develop <<EOL
 $ cowsay "Moo!"     # Works in development environment
 $# EOL