diff --git a/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md b/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md
index 83fa5e40..df7c2d2c 100644
--- a/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md
+++ b/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md
@@ -22,3 +22,6 @@ the principle that settles it, cited as "design 47 G A-n".
 - **A-184** (clarifies A-170; §543; principle 3) Until main's subject goes, it also takes the checker's `check` and
   `recheck` asks, so no ask that runs today is refused by G; a queue is only `delivery`, `check` or `recheck`, and
   steprun's `AskKinds` lists no `step` queue.
+- **A-185** (A-180; principle 7) The catalog client (`meshcatalogclient`'s catalog follower), which already hears every
+  `catalog-revision`, hands a candidate's revision it does not keep to a hook its caller sets; the runner sets it to
+  place a run's pipelines. mesh-sdk's event hub keeps its one handler per pattern.