=head2 Assertions
-Perl 5.9.0 has experimental support for assertions. Note that hhe user
+Perl 5.9.0 has experimental support for assertions. Note that the user
interface is not fully stabilized yet, and it may change until the 5.10.0
release. A new command-line switch, B<-A>, is used to activate
assertions, which are declared with the C<assertions> pragma. See