diff --git a/TODO.md b/TODO.md
index 1afeb62..20d08cc 100644
--- a/TODO.md
+++ b/TODO.md
@@ -14,6 +14,9 @@ Longer-term items deferred from v1.
 - Backoffice: live transaction feed, per-drink charts, void/edit confirmed transactions.
 - Offline-capable client with sync queue (v1 is online-only).
 
+## UX / scaling
+- Check what happens on the tablet UI when a bar has *many* drinks — current no-scroll grid divides the available height equally across rows, so tiles will shrink. Verify legibility/tap target size with 15–25 drinks; may need pagination, scrolling, or smaller-grid mode.
+
 ## Ops
 - Backup strategy for the SQLite file (cron + copy off-box).
 - Health check endpoint + simple status page on the tablet if server unreachable.