diff --git a/core/audit_ledger_design.md b/core/audit_ledger_design.md
index a15d719..0e9212f 100644
--- a/core/audit_ledger_design.md
+++ b/core/audit_ledger_design.md
@@ -1,5 +1,8 @@
 # ACDL Tiered Audit Ledger Design (REQ-20)
 
+**TL;DR** — Nova — The New Dawn of DevSecOps. Autonomous infrastructure delivery: consumers declare intent, the platform ships safely with an immutable audit trail. This file explains how to stand it up and who to contact; the machinery detail stays lower under Details.
+
+
 > **Status:** design authored in Phase 07 (milestone v1.1); the
 > hash-chain + DynamoDB-outbox path is **shipped + production since
 > v1.8**. The S3 Object Lock + JWS + async worker + DLQ + daily