diff --git a/notes.md b/notes.md
index b16a1af..a81cdff 100644
--- a/notes.md
+++ b/notes.md
@@ -11,7 +11,8 @@
 [flask web app tutorial](https://www.digitalocean.com/community/tutorials/how-to-make-a-web-application-using-flask-in-python-3)
 
 ## Timeline
-### setup host Pi
-- Debian 13
-- nginx 
-- python3-meshtastic
+### Backend
+- installed Debian 13 (Raspberry Pi OS lite)
+- installed & configured nginx 
+- installed python3-meshtastic
+### Frontend
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