You can type the link directly there and it will become a clickable link on your form, but you can’t map text to a link. If you want to do that, you’ll need to use a more advanced form building tool such as JotForm.

@rakesh_kumar_reddy Did the reply from @ScottWorld answer your question? If so, please mark his comment as the solution to your question. This helps others who may be searching with similar questions. Thanks!