revised some conventions in form_tag_helper.rb

actionpack/lib/action_view/helpers/form_tag_helper.rb

@@ -316,12 +316,12 @@ def radio_button_tag(name, value, checked = false, options = {})
       # Creates a submit button with the text <tt>value</tt> as the caption. 
       #
       # ==== Options
-      # * <tt>:confirm => 'question?'</tt> -- This will add a JavaScript confirm
+      # * <tt>:confirm => 'question?'</tt> - This will add a JavaScript confirm
       #   prompt with the question specified. If the user accepts, the form is
       #   processed normally, otherwise no action is taken.
-      # * <tt>:disabled</tt> - If set to true, the user will not be able to use this input.
+      # * <tt>:disabled</tt> - If true, the user will not be able to use this input.
       # * <tt>:disable_with</tt> - Value of this parameter will be used as the value for a disabled version 
-      #                            of the submit button when the form is submitted.
+      #   of the submit button when the form is submitted.
       # * Any other key creates standard HTML options for the tag.
       #
       # ==== Examples