Update CHANGELOG.md

Author: frederikbosch

CHANGELOG.md

@@ -486,7 +486,7 @@ convert a float to string (e.g. `sprintf('%.14F', $float)`) before calling the c
 - 2013-01-08 Use vendor/autoload.php instead of lib/bootstrap.php (or use PSR-0 autolaoding)
 - 2012-12-10 Renamed Money::getUnits() to Money::getAmount()
 
-[Unreleased]: https://github.com/moneyphp/money/compare/v4.1.1...HEAD
+[Unreleased]: https://github.com/moneyphp/money/compare/v4.4.0...HEAD
 [4.4.0]: https://github.com/moneyphp/money/compare/v4.3.0...v4.4.0
 [4.3.0]: https://github.com/moneyphp/money/compare/v4.2.0...v4.3.0
 [4.2.0]: https://github.com/moneyphp/money/compare/v4.1.1...v4.2.0