making the description display for menu items with description filled out

functions.php

<?php

// Adds the descriptions to menu output
function prefix_nav_description( $item_output, $item, $depth, $args ) {
	if ( !empty( $item->description ) ) {
		$item_output = str_replace( $args->link_after . '</a>', '<p class="menu-item-description">' . $item->description . '</p>' . $args->link_after . '</a>', $item_output );
	}
  
	return $item_output;
}

add_filter( 'walker_nav_menu_start_el', 'prefix_nav_description', 10, 4 );