Change the text of the discount code area on membership checkout for almacartney

my_pmpro_discount_code_toggle.php

<?php
//Change the text of the discount code area on membership checkout
function my_pmpro_discount_code_toggle( $translated_text, $text, $domain ) {
	if( $domain == 'paid-memberships-pro' ) {
		$translated_text = str_replace( 'Click here to enter your discount code', 'Have a discount code?', $translated_text);
		$translated_text = str_replace( 'Do you have a discount code?', '', $translated_text);
	}
	return $translated_text;
}
add_filter( 'gettext', 'my_pmpro_discount_code_toggle', 10, 3);