diff --git a/workplans/RMGR-WP-0019-historical-source-admission.md b/workplans/RMGR-WP-0019-historical-source-admission.md
index c7606ad..b0b2550 100644
--- a/workplans/RMGR-WP-0019-historical-source-admission.md
+++ b/workplans/RMGR-WP-0019-historical-source-admission.md
@@ -60,7 +60,7 @@ id: RMGR-WP-0019-T03
 status: wait
 priority: high
 depends_on: [RMGR-WP-0019-T02]
-blocked_on: "2026-10-06: retirement prerequisite met (decision 91b7c633 resolved, STATE-WP-0095 finished). Activity owner sync refused pre-flight (pending_commit): activity-core has uncommitted identifier writeback in workplans/ACTIVITY-WP-0045-stale-historical-projection-disposition.md. Activity Core must commit it; then re-run rmgr sync --path ~/activity-core --push."
+blocked_on: "activity-core: commit ACTIVITY-WP-0045 identifier writeback, then re-run rmgr sync (pending_commit 2026-10-06)"
 state_hub_task_id: "682eea14-a4a8-5f33-9a9f-8f2f1ac8288d"
 ```