diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3dcce35519081fda2d9d65500cd31008fb3ce38e..6ce9dc09e2d14a2d7a9ed8de1c5571001f3c9072 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,11 +9,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Added
 
+- Validate message_ID matches uuid format
 - Add definition of instruction_set message
 - Added optional primitives to squad schema
 
 ### Changed
 
+- Update all example messages with valid UUIDs
 - Refactor action schema to accept geojson.Points
 - Use geojson Point for platform_status
 - Add waypoint to platform_status