Update Changelog dates and fix a typo.
Update Changelog dates and fix a typo.

matthewbauer/xdg-utils-ng,freedesktop-unofficial-mirror/xdg__xdg-utils,freedesktop-unofficial-mirror/xdg__xdg-utils,matthewbauer/xdg-utils-ng,karolherbst/xdg-utils,karolherbst/xdg-utils