[Haskell-beginners] Beginner question.

I just started working my way through a Haskell book... first time with functional programming. Mid way through the first chapter she's introducing point-free programming with a trivial example transitioning from not point-free... makeGreeting salutation person = salutation <> " " <> person to point free... makeGreeting' = (<>) . (<> " ") After a little playing with it... it seems to make sense. So I thought I'd try evolving from salutation and name to salutation, first, and last names. But, after a bit of tinkering, I haven't been able to make it work... I'm sure it's something simple (one way or the other)... any help would be appreciated! Brad