Bug#88788: debian-policy: Typo in copyright notice

["Robb Kidd" <rkidd@ncmec.org>]

Colin Watson wrote:
> 
> Package: debian-policy
> Version: 3.5.2.0
> Severity: minor
> 
>   "A copy of the GNU General Public License is available as
>   /usr/share/common-licences/GPL ..."                    ^^
> 
> That should be 'common-licenses'. The link later in the same sentence
> refers to the "The GNU Public Licence"; my preference for UK spelling
> aside, we should be consistent, and also add the word "General" as
> above.

	Should it not also read "... is available at ..."?