this package seems to have new commits in its VCS but has
not yet updated debian/changelog. You should consider updating
the Debian changelog and uploading this new version into the archive.
Here are the relevant commit logs:
Author: Chris Lamb <firstname.lastname@example.org>
Date: Sat Jan 5 17:46:59 2019 +0100
Update 0001-Correct-grammatical-errors-in-upstream-documentation.patch after consultation with upstream.