In order to improve usability of packages in Fedora, project Man Page Scan was created and its task is to provide consistency of man pages (and documentation in general). The results are now available for package maintainers to fix documentation issues.

If you need to re-run the check yourself, here is the simple process of man page check:

1. Download man-page-day from:

    https://pagure.io/ManualPageScan/blob/master/f/man-page-day.sh

2. Run the script:
    $ ./man-page-day.sh libvdpau