All reports of copyright-has-url-from-dh_make-boilerplate for the archive. The extended description of this tag is:
There is "url://example.com" in your copyright file. This was most likely a remnant from the dh_make template.
Make sure you include the real location where you obtained the upstream sources (if any).
Refer to Debian Policy Manual section 12.5 (Copyright information) for details.
This tag has not been emitted in any package tested by Lintian.