diff --git a/instructors/data/git-training-demo.zip b/instructors/data/git-training-demo.zip
index 29cf634..3d9cb29 100644
Binary files a/instructors/data/git-training-demo.zip and b/instructors/data/git-training-demo.zip differ
diff --git a/instructors/instructor-notes.md b/instructors/instructor-notes.md
index c2eb5b0..cf54d6e 100644
--- a/instructors/instructor-notes.md
+++ b/instructors/instructor-notes.md
@@ -21,6 +21,8 @@ your organisation.
    name `git-training-demo`.
 7. Link your local repo to the remote and
    push all changes.
+8. Setup a rule to require a PR before
+   merging with `main`.
 
 Pay particular attention to the instructor
 callouts in episodes [05](../episodes/05-forks.md)