diff --git a/CHANGELOG.md b/CHANGELOG.md
index 187d6b1..73713db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -114,6 +114,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Initial Release
 
+> Note: this is the original initial release, dated 2026-04-28. A later patch
+> release with the same `0.1.0` version was tagged on 2026-05-12 (above); the
+> duplicate version heading predates the eco-wide version re-baseline that
+> collapsed the interim `0.3.0` line into the current `0.1.0`.
+
 **Core**
 - Relaxed DAG memory graph (Labeled Property Graph in SQLite)
 - 9 coding-specific node types: convention, decision, bug, spec, task, skill, preference, file, entity