It links to release notes which yours does not. Well, the release notes kinda stink, they never actually mention the changes, but ...
In the end, only the download link itself matters. It's nice to have these sites in any case, thanks for making them.
Back in the day with my old iriver Story HD I had a cron job that queries the servers directly, and I'd get mail when there was an update. Too lazy to make the same thing for Kobo even though it's not difficult.