Update CHANGELOG.md for 1.3.0-beta.3.

Author: chriskrycho

CHANGELOG.md

@@ -10,6 +10,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ### Fixed
 
+* The synchronization tweak made in 1.3.0-beta.3 now works properly on Windows.
+
+## [1.3.0-beta.2]
+
+### Fixed
+
 * Synchronization between tsc and the broccoli build process has been improved, reducing spurious rebuilds.
 
 ## [1.3.0-beta.1]
@@ -228,7 +234,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 * Basic, semi-working functionality.
 
 [ember-cli-typify]: https://github.com/winding-lines/ember-cli-typify
-[unreleased]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.3.0-beta.2...HEAD
+[unreleased]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.3.0-beta.3...HEAD
+[1.3.0-beta.3]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.3.0-beta.2...v1.3.0-beta.3
 [1.3.0-beta.2]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.3.0-beta.1...v1.3.0-beta.2
 [1.3.0-beta.1]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.2.1...v1.3.0-beta.1
 [1.2.1]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.2.0...v1.2.1