I\'m trying to customize the output of a simple_form association, basically I need to display a checkbox label on two lines. My idea was adding a \"br\" tag into the \"label
call html_safe method on the string you want not to be escaped.
html_safe
<%= f.association :item, :as => :check_boxes, :collection => current_user.items, :label => false, :label_method => lambda { |item| "#{item.city.capitalize}, #{item.address}".html_safe }%>