diff --git a/CHANGELOG.md b/CHANGELOG.md
index 353721a..12c60cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3232,6 +3232,9 @@ findings dying in an overwritten REPORT.md caught a live defect instead.
 **Green gate:** `go build ./... && go vet ./... && go test ./...` — 28 packages, rc 0.
 
 ## v0.225.0 — the hub could not tell an empty off-site store from an unmeasured one (2026-08-30, R-331)
+
+> **Correction 2026-10-05 (R-818):** the ids **R-330** and **R-331** in this entry are mislabels. These two findings never had register rows of their own; the register's R-330 and R-331 are disk-health Phase 2 and Phase 3. Read „R-330" here as *the nightly false app alarm* (controller v0.224.0) and „R-331" as *the off-site snapshot count read as a measured zero* (hub v0.109.0 Backup card, controller v0.225.0 `stats_known`). Nothing was renumbered.
+
 **MinAgent: 0.129.0** (unchanged — no new agent coupling)
 
 ### R-331 (controller half) — forward `stats_known`
@@ -3276,6 +3279,9 @@ point of the field. **RED-PROOF:** dropping `StatsKnown: t.StatsKnown` from `Off
 fails with `a MEASURED empty repository reported stats_known=<nil>`.
 
 ## v0.224.0 — the backup alarmed about the apps it was holding down (2026-08-30, R-330)
+
+> **Correction 2026-10-05 (R-818):** the ids **R-330** and **R-331** in this entry are mislabels. These two findings never had register rows of their own; the register's R-330 and R-331 are disk-health Phase 2 and Phase 3. Read „R-330" here as *the nightly false app alarm* (controller v0.224.0) and „R-331" as *the off-site snapshot count read as a measured zero* (hub v0.109.0 Backup card, controller v0.225.0 `stats_known`). Nothing was renumbered.
+
 **MinAgent: 0.129.0** (unchanged — no new agent coupling)
 
 ### R-330 — 61 e-mails about apps that were never broken