diff --git a/.planning/PROJECT.md b/.planning/PROJECT.md
index 2a060d7..922b2b5 100644
--- a/.planning/PROJECT.md
+++ b/.planning/PROJECT.md
@@ -127,4 +127,4 @@ This document evolves at phase transitions and milestone boundaries.
 - **Milestone v2.0 shipped: Collaboration, planning, and social sign-in** — Shipped 2026-05-16. Delivered Google sign-in, etapes, events, individual planning, and native SSE-backed tablo discussions. Closed with 7 acknowledged deferred artifact items; see `.planning/milestones/v2.0-MILESTONE-AUDIT.md`.
 
 ---
-*Last updated: 2026-05-16 after archiving milestone v2.0*
+*Last updated: 2026-05-16 — Phase 16 complete (tablo detail restyled with design system components)*