diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d7891e..a61b0a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Changelog — umbra-codex
+# Changelog — signetry-codex
 
 Follows [Keep a Changelog](https://keepachangelog.com/) / [SemVer](https://semver.org/).
 
@@ -6,9 +6,8 @@ Follows [Keep a Changelog](https://keepachangelog.com/) / [SemVer](https://semve
 
 ### Changed
 
-- Rebranded the platform from Umbra to Signetry: CLI `umbra` → `signetry`, env
-  `UMBRA_*` → `SIGNETRY_*`, config `.umbra/` → `.signetry/`, imports `umbra_core`
-  → `signetry_core`, and prose/docs references. Install pins now use
+- Naming: CLI `signetry`, env vars `SIGNETRY_*`, config `.signetry/`, import package
+  `signetry_core`, and prose/docs references use **Signetry**. Install pins now use
   `signetry-core @ git+https://github.com/Signetry/core@v0.6.0` and
   `signetry-reviewer @ git+https://github.com/Signetry/reviewer@v0.1.2`.
 
@@ -16,8 +15,8 @@ Follows [Keep a Changelog](https://keepachangelog.com/) / [SemVer](https://semve
 
 ### Added
 
-- Split out of the `umbra-plugins` monorepo into a dedicated repository under the
-  [Umbra umbrella](https://github.com/Signetry/signetry), per the platform
+- Split out of the `signetry-plugins` monorepo into a dedicated repository under the
+  [Signetry umbrella](https://github.com/Signetry/signetry), per the platform
   architecture (one repo per integration).
-- Pins `umbra-core>=0.3.0` (capability graph, plan binding, masked verifier,
+- Pins `signetry-core>=0.3.0` (capability graph, plan binding, masked verifier,
   G1/G2/G3 gates, extension admission).