The tag is present in Lintian version 2.109.24. That is the most recent version we know about.
copyright notes included files with the
Files-Included field, but the given file would have been shipped
The wildcards in the field may be too broad. Please narrow the criteria for
files included in the field
Please refer to https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ for details.