LearnPress change back to class text

functions.php

<?php 
/*  
* https://themeforest.net/item/reptro-online-course-wordpress-theme/21817850
*/

remove_action( 'learn-press/after-checkout-form', 'learn_press_back_to_class_button' );
remove_action( 'learn-press/after-empty-cart-message', 'learn_press_back_to_class_button' );
add_action( 'learn-press/after-checkout-form', 'reptro_learn_press_back_to_class_button' );
add_action( 'learn-press/after-empty-cart-message', 'reptro_learn_press_back_to_class_button' );

if ( ! function_exists( 'reptro_learn_press_back_to_class_button' ) ) {
	function reptro_learn_press_back_to_class_button() {
		if( function_exists('learn_press_get_page_link') ){
			$courses_link = learn_press_get_page_link( 'courses' );
			if ( ! $courses_link ) {
				return;
			}
			?>

	        <a href="<?php echo learn_press_get_page_link( 'courses' ); ?>"><?php esc_html_e( 'Back to our courses', 'reptro' ); ?></a>
			<?php
		}
	}
}