README.md in piggybak_variants-0.0.13 vs README.md in piggybak_variants-0.0.14

@@ -17,9 +17,11 @@
 
 In the admin, define option configurations and option values for each option, then create variants for your sellable instances.
 
 Finally, add `<%= variant_cart_form(@instance) %>` to your sellable item's show page to render the cart form.
 
+OPTION:  `<%= variant_cart_form(@instance, :controls => 'dropdowns) %>` to render dropdowns instead of radio buttons.
+
 
 TODO
 ========
 
 * Notes specified in variant.rb