Are you using aggregate or tracker?
Have you tried using Section forms for your form? Although it’s not possible to create custom form (probably means ‘values’ can’t change) but the one you took a picture of is the default (basic) form so another option is the section form which might help because each section can be given its own title.
Similar to this, maybe: Display text in label - #2 by Gassim
I’d need to search for this too! Thanks!