De or het copyrightvermelding?

The correct Dutch article is:

de copyrightvermelding

Rule Words ending in -ing: almost always de. See the rule

How to use copyrightvermelding

the copyrightvermeldingde copyrightvermelding
this copyrightvermeldingdeze copyrightvermelding
that copyrightvermeldingdie copyrightvermelding
our copyrightvermeldingonze copyrightvermelding
your copyrightvermeldingjouw copyrightvermelding
every copyrightvermeldingelke copyrightvermelding
which copyrightvermelding?welke copyrightvermelding?
a big copyrightvermelding / the big copyrightvermeldingeen grote copyrightvermelding, de grote copyrightvermelding