Explain :simple_tls and :start_tls a little bit better.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
Typo.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
Merge pull request #405 from opscode/kwilczynski/simple-tls-start-tls

Explain :simple_tls and :start_tls a little bit better.