All reports of no-description-in-changes-file for the archive. The extended description of this tag is:

There is no "Description" field in your .changes file. A description is mandatory and is usually constructed from the descriptions in the control file of the package by the package build tools.

Refer to Debian Policy Manual section 5.5 (Debian changes files -- .changes) for details.

Severity: serious, Certainty: certain

Check: changes-file, Type: changes

This tag has not been emitted in any package tested by Lintian.