$objForm->addFormField('my_html_1', array(
'inputType' => 'html',
'html' => '<div class="text"><p>This is my explanation for the next input of forms...</p></div>'
));
$objForm->addFormField('my_html_1', [
'inputType' => 'html',
'eval' => ['html' => '<div class="text"><p>This is my explanation for the next input of forms...</p></div>']
]);
Preserve HTML widget data - you can use