docs(changelog): update unreleased changes

docs(changelog): update unreleased changes

Author: ArnavBalyan

CHANGELOG.md

@@ -8,9 +8,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 ## [Unreleased]
 
 ### Changed
-- [#60](https://github.com/concierge-hq/concierge/pull/60) (#59) v0.9 Add runtime guard against explicit kwargs for fastmcp (@ArnavBalyan)
-- [#57](https://github.com/concierge-hq/concierge/pull/57) (#56) v0.9 Update docs to support Concierge FE modes (@ArnavBalyan)
-
-### Documentation
-- [#58](https://github.com/concierge-hq/concierge/pull/58) docs(changelog): update unreleased changes (@app/github-actions)
+- [#64](https://github.com/concierge-hq/concierge/pull/64) (#63) v0.9 Update the code backend prompt to be descriptive of tool spec view (@ArnavBalyan)