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 9668bdbb..abcf4e8d 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
@@ -212,3 +212,6 @@ the principle that settles it, cited as "design 47 G A-n".
 - **A-233** (A-181, A-189; principle 7) mesh-sdk's `HearStream` gains a form that reads an age-kept stream whole from
   its first message by an ordered consumer at every start, then follows the durable; the grants part grants that
   ordered consumer on every heard seat kept stream, as it grants `STREAM.INFO`, with no manifest word.
+- **A-234** (§711, ADR 0656 §6; principle 2) The indexer fills each catalog revision's `definitions` (the seat
+  definitions it was taken in with, by digest) when it keeps the revision, and the `acts` fill reads from them; until
+  then reading the trunk's from its `seat-definitions` state stands.