What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I have checked your form and I can see the hover text currently displays like this:
However, if you want to change the hover text position you can do it by using the class ".form-description", but do note that this will affect all the hover texts you have added in your form, if you're planing to use only one then this should work, otherwise you will need to apply one per field:
Changing the right and top values should help you to change the position, you could also customize the hover text as you would like it to display.
This guide will help you to inject the code to your form: How-to-Inject-Custom-CSS-Codes
If you have any question, let us know.