Added missing diff link to CHANGELOG

Author: Adam Schlesinger

OneSignalExample/Assets/OneSignal/CHANGELOG.md

@@ -49,7 +49,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - If you are updating from a previous version of the OneSignal Unity SDK please follow the Unity Asset Store instructions in
       the [README](https://github.com/OneSignal/OneSignal-Unity-SDK/README.md#unity-asset-store) to ensure a smooth transition.
 
-[Unreleased]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/2.14.5...HEAD
+[Unreleased]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/2.14.6...HEAD
+[2.14.6]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/2.14.5...2.14.6
 [2.14.5]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/2.14.4...2.14.5
 [2.14.4]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/2.14.3...2.14.4
 [2.14.3]: https://github.com/OneSignal/OneSignal-Unity-SDK/compare/2.14.2...2.14.3