All reports of description-possibly-contains-homepage for the archive. The extended description of this tag is:

This package has no Homepage field but has a URL in the description and wording that might indicate this is the package Homepage. If it is, add a Homepage control field containing it rather than mentioning it in the package description.

Severity: wishlist, Certainty: wild-guess

Check: description, Type: binary, udeb

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