diff --git a/launch/README.md b/launch/README.md
index ee636f0a..8bed71b8 100644
--- a/launch/README.md
+++ b/launch/README.md
@@ -5,12 +5,15 @@
 ### updating TF modules
 
 ```sh
-echo "{\"nixos-anywhere\": $(nix-instantiate --eval --json -E '(import ../npins).nixos-anywhere.outPath')}" > .auto.tfvars.json
+$ npins update nixos-anywhere
+$ cd launch/
+$ echo "{\"nixos-anywhere\": $(nix-instantiate --eval --json -E '(import ../npins).nixos-anywhere.outPath')}" > .auto.tfvars.json
 ```
 
 ### local development
 
 ```sh
 $ nix-shell
+$ rm -rf .terraform/
 $ tofu init
 ```