diff --git a/README.md b/README.md
index 9bb9618..c3c0d69 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,10 @@ modify appropriately.
 3. Get a copy of your fork somewhere locally.
 4. Install the XCode Command Line Tools package. You need an Apple ID. We know. It sucks. You can thank Apple for not allowing the Command Line Tools to be redistributed publicly.
 5. `cd` to that dir and run `script/boxen`
-6. Rock out. :metal:
+6. Ensure you have `[ -f /opt/boxen/env.sh ] && source /opt/boxen/env.sh` in your shell config. If you don't have a shell config yet, we automatically add this to `~/.profile` for you.
+7. Open a new shell.
+8. Verify `boxen --env` prints out `BOXEN_` env vars.
+9. Rock out. :metal:
 
 ## What You Get
 
@@ -42,4 +45,4 @@ Then, you simply need to include that module in `manifests/site.pp`.
 
 For organization projects (read: repositories that people will be working in), please see the documentation in the projects module template we provide.
 
-For per-user configuration that doesn't need to be applied globally to everyone, please see the documentation in the people module template we provide.
\ No newline at end of file
+For per-user configuration that doesn't need to be applied globally to everyone, please see the documentation in the people module template we provide.