add_filter('wpseo_breadcrumb_single_link' ,'add_single_link', 10 ,2);

function add_single_link($link_output, $link ){
	$output = array();

	for ($i = 0; $i <= 0; $i++) {
		if($link["text"] != "Услуги") {
			array_push($output, "<span><a href=". $link["url"] .">" . $link["text"] . "</a></span>");
		}
	}

	$html_output = "";

	foreach ($output as $crumb) {
		$html_output .= $crumb;
	}

	return $html_output;
}