Cacher is the code snippet organizer for pro developers

// Edit the read more link text
add_filter('get_the_content_more_link', 'eia_read_more_link');
	add_filter('the_content_more_link', 'eia_read_more_link');
	function eia_read_more_link() {
		return '<p><a class="button button-dark" href="' . get_permalink() . '">Read more</a></p>';
}