check has already happened, so we can just check for definedness on the
C<$employees> argument.
-The B<Person> class does have demonstrate anything new. It has several
+The B<Person> class does not really demonstrate anything new. It has several
C<required> attributes. It also has a C<predicate> method, which we
first used in L<recipe 3|Moose::Cookbook::Basics::Recipe3>.