Polish charset problem

Hi,
I have problem with polish charset in subtitle in page header (h2.site-description)

Example text: “Grupa przyjaciół, których połączyła pasja do biegania.”

Font Source Sans Pro should load latin subset.

Patch:

— a/wp-content/themes/semplicemente/functions.php
+++ b/wp-content/themes/semplicemente/functions.php
@@ -87,7 +87,7 @@ add_action( ‘widgets_init’, ‘semplicemente_widgets_init’ );
*/
function semplicemente_scripts() {
wp_enqueue_style( ‘semplicemente-style’, get_stylesheet_uri() );
– wp_enqueue_style( ‘semplicemente-googlefonts’, ‘//fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,700’);
+ wp_enqueue_style( ‘semplicemente-googlefonts’, ‘//fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,700&subset=latin,latin-ext’);
wp_enqueue_style( ‘semplicemente-fontAwesome’, get_template_directory_uri() .’/css/font-awesome.min.css’);

wp_enqueue_script( ‘semplicemente-custom’, get_template_directory_uri() . ‘/js/jquery.semplicemente.js’, array(‘jquery’), ‘1.0’, true );