Adding custom HTML to the CheckoutWC Payment step

custom-text-payment-page.php

<?php

// 2 - Above Mobile Coupons
// 7 - Above Payment Methods
// 15 - Above Billing Address Group
// 27 - Above Order Notes Field
// 35 - Above Terms and Conditions
add_action( 'cfw_checkout_payment_method_tab', function() {
	echo '<h2>'Your Disclaimer and Other HTML</h2>';
}, 2 );