plataformatec/simple_form — pull request #959 by jurglic (2013-12-16 19:49:33+00:00)
Title: Add check_box/boolean attribute example to README

The ability to set checked and unchecked values on check_boxes (#643)
is really hard to find (mapping boolean<->check_box only makes it worse).

It seems well worth mentioning it inside the README.