diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8f6ff83..54cb8db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,13 @@
 This document tracks the history and evolution of the **Open Data Contract Standard**.
 
-# v2.2.1 - 2023-12-15 - OPEN
+# v2.2.1 - 2023-12-18 - APPROVED
 
-* Reformat Markdown tables
-* Reformat quality examples to be valid YAML
-* Add in isUnique, primaryKeyPosition, partitionKeyPosition and clusterKeyPosition to `column` definition
+* Reformat quality examples to be valid YAML.
+* Type of definition for authority have standard values: `businessDefinition`, `transformationImplementation`, `videoTutorial`, `tutorial`, and `implementation`.
+* Add in `isUnique`, `primaryKeyPosition`, `partitionKeyPosition`, and `clusterKeyPosition` to `column` definition.
 * Add [JSON schema](schema/odcs-json-schema.json) to validate YAML files for v2.2.1.
 * Integrated as part of [Bitol](https://lfaidata.foundation/projects/bitol/).
+* Reformat Markdown tables.
 
 # v2.2.0 - 2023-07-27 - APPROVED