I'll have to admit I wasn't an English major by a long shot, but isn't the
word "possessive" spelled with two s's and not one?

No. It's spelled with four esses.

I take it you know that s's is not the plural of "ess".

Jose
--
There are two kinds of people in the world. Those that just want to
know what button to push, and those that want to know what happens when
they push the button.
for Email, make the obvious change in the address.