diff --git a/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md b/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md
index a1550953..7189d5f8 100644
--- a/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md
+++ b/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md
@@ -542,3 +542,5 @@ names the principle that settles it, and is cited as "design 47 G A-n".
 - **A-142** (§496, §602; principles 1 and 7) A `step-ended` said while the watchman was down reaches it on its
   start through its durable consumer of EVENTS, and ends the stuck ask then; nothing re-reads the steps and no
   expiry is added.
+- **A-143** (A-77, A-138; principle 1) The recovery module's dump wait and snapshot-restored wait are bound keys in
+  its state `bounds` as well, their expiry heard on its watch; no timer stays in the process.