Use better head

Author: zoffixznet

doc/Type/Junction.pod6

@@ -117,7 +117,7 @@ a negated junction:
         say '"yes" is not a negation';
     }
 
-=head2 Failures and Exceptions
+=head1 Failures and Exceptions
 
 L<Failures|/type/Failure> are just values like any other, as far as Junctions
 are concerned:
@@ -157,7 +157,7 @@ individually and then re-create the C<Junction> from the result:
     $j = any (gather $j».take).grep: {Nil !=== try calc $_};
     say so $j == 42; # OUTPUT: «True␤»
 
-=head2 See Also
+=head1 See Also
 
 =item L<http://perlgeek.de/blog-en/perl-5-to-6/08-junctions.html>
 =item L<http://perl6maven.com/perl6-is-a-value-in-a-given-list-of-values>