to be executable first, so C<chmod 755 script.pl> (under Unix).
For more information, including instructions for other platforms such as
-Windows and MacOS, read L<perlrun>.
+Windows and Mac OS, read L<perlrun>.
=head2 Basic syntax overview
=head2 Using Perl modules
Perl modules provide a range of features to help you avoid reinventing
-the wheel, and can be downloaded from CPAN (http://www.cpan.org). A
+the wheel, and can be downloaded from CPAN ( http://www.cpan.org/ ). A
number of popular modules are included with the Perl distribution
itself.