This is the commonly used verbatim license (https://www.gnu.org/licenses/licenses.html#VerbatimCopying):
Verbatim copying and distribution of this entire article are permitted worldwide, without royalty, in any medium, provided this notice is preserved.
Shouldn't the word "is" be there instead of "are"?
I'm pretty sure yes, just asking because this license is used everywhere and it would be surprising if everybody made the same mistake.