diff --git a/docs/web-ui/dashboard.md b/docs/web-ui/dashboard.md
index d46f953c..75fe842b 100644
--- a/docs/web-ui/dashboard.md
+++ b/docs/web-ui/dashboard.md
@@ -657,8 +657,12 @@ renderApprovals`) with three stacked sections:
 - **identity header** — glyph, `#id`, agent, kind chip, (for
   `apply_commit`) the short proposal sha as `<code>`, and a
   right-aligned `requested <N> ago` relative time from
-  `ApprovalView.requested_at` — amber once the request has been
-  pending ≥ 1h so a stale approval stands out.
+  `ApprovalView.requested_at`. The chip ticks live every second
+  via a `data-requested-at` attribute + client-side interval (no
+  re-render). Turns amber once the request has been pending ≥ 1h
+  so a stale approval stands out; the `.stale` class flips
+  precisely at the 3600s boundary rather than at the next
+  `renderApprovals` call.
 - **what-changed body** — the manager's description, then
   drill-in triggers: `↳ view diff` opens the diff in the side
   panel; `↳ commit on forge ↗` deep-links the proposal commit