The form heading may be customized in HTML enabled fashion.

Steps:

Select the Module link in the top left banner then select the appropriate module name link.
Select the Forms tab.
Then select the Default form.
Select the link at the top: Click here to customize the form header
Type or paste your heading with any HTML headings or styling tags.
Select OK then Save the Default form.

Return to the module, refresh the page, and open the form to validate the heading at the top.

Heading Examples:

Heading 1

<h1>Heading 1</h1>

Heading 2

<h2>Heading 2</h2>

<h3>Heading 3</h3>

<h4>Heading 4</h4>

<h5>Heading 5</h5>

<h6>Heading 6</h6>

<h1 style="color: red;">Heading 1</h1>