I need to give the customer aditional information regarding the custom option. How can I add a hover text (to the label) or add a sublabel (additional text) under the label title of the custom option?
Magento can't do that out of the box.
What about adding it to CSS with
The alternative is:
- changing custom option table(s) (because of translation)
- changing form in backend
- changing controller to save everything
- changing Template in frontend to show it
- add still some CSS to style it