Fix synopsis example

Another tip from Steve Morris. Thanks!

Signed-off-by: Gustavo L. de M. Chaves <gnustavo@cpan.org>
Fix code in documentation

Thanks to Peter Gordon (@ibm) for the tip.

Signed-off-by: Gustavo L. de M. Chaves <gnustavo@cpan.org>
v0.003

  [Fixes]
  - Fix code in documentation.