JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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 cloned your form and I was able to replicate mentioned issue. When I clicked on Properties (cog) icon of Text field nothing happened.
I was also able to replicate same issue on my sample form.
I will escalate this issue to our developers. Once this issue is resolved we will inform you via this thread.
In case that you want to edit your text you can click on Edit HTML button.
This problem is fixed. Thanks for your feedback.