diff --git a/docs/GUIDE.md b/docs/GUIDE.md
index 4757771..e7401de 100644
--- a/docs/GUIDE.md
+++ b/docs/GUIDE.md
@@ -57,6 +57,8 @@ toes open
 
 Your app is now running at `http://my-app.toes.local`.
 
+> **Tip:** Add `.toes` to your `.gitignore`. This file tracks local sync state and shouldn't be committed.
+
 ---
 
 ## Creating an App