The package's extended "Description:" paragraph starts with more than one leading space. Usually, leading spaces are used to switch "verbatim display" on (i.e., lines are not wrapped) so this might be a bug in the package.
The tag is present in Lintian version
That is the most recent version we know about.
We use semantic versions.
The patch number is a commit step indicator relative to the
release tag in our Git
You can find the detection logic for this version at commit ffc17eb. For merge requests, please use the latest version in the Lintian check fields/description.