diff --git a/modules/mesh-delivery-checker/internal/check/judge.go b/modules/mesh-delivery-checker/internal/check/judge.go
index d6a6fd46..d3db5775 100644
--- a/modules/mesh-delivery-checker/internal/check/judge.go
+++ b/modules/mesh-delivery-checker/internal/check/judge.go
@@ -476,6 +476,9 @@ func (st *state) judgeAll(ctx context.Context) *delivery.Verdict {
 			st.unpreviewed = append(st.unpreviewed, pullKey(p))
 		}
 		st.judgedByMember(p, merged)
+		// The old form (ADR 0500 §5): the group's package member packed by the Node fetch, kept only while no tagged
+		// TypeScript version is heard, the form the running checker hands while the new build modules are delivered. Its
+		// removal is a subtask of the milestone after this one's delivery (issue 1966).
 		if p.Repository == SDKRepository && len(st.c.Pulls) > 1 && len(st.tags.node) == 0 && st.j.changesPackage(p, merged) {
 			groupPackage = map[string]any{"repository": p.Repository, "commit": p.Head, "ref": refOf(p.Number)}
 		}