Internal linking from richtext

Yes, I did it the manual way.

Can you please help me for this very dumb, but important question:

I want to manage headings for my Text input (without using this customcode solution

And I simply want to make this text field H2:
image
but there is no option for it, like in the richtext editor:
image

But if I don’t bind, there is the option:

How can I fix this quickly with my bindings and everything should stay the same just add the extra h2, I need this ASAP. Please let me know!

Thanks