All reports of copyright-should-refer-to-common-license-file-for-gpl for the archive. The extended description of this
The strings "GNU General Public License" or "GPL" appear in the
copyright file for this package, but the copyright file does not
reference /usr/share/common-licenses as the location of the GPL
on Debian systems.
If the package uses some other license that just mentions the GPL and
that Lintian should detect as an exception, please file a Lintian bug.
If the copyright file must mention the GPL for reasons other than
stating the license of the package, please add a Lintian override.
The package names link to the relevant maintainer page and the
corresponding report for the source package. The links go to the full
maintainer report page, which includes info and experimental tags and
overridden tags, rather than the default page that shows only errors