Woocommerce category url

Hi,

Why are woocommerce product category links displayed like this : https://www.sitename.com/shop/%ce%ba%cf%81%ce%b5%ce%b2%ce%ac%cf%84%ce%b9%ce%b1-%cf%84%ce%bf%ce%af%cf%87%ce%bf%cf%85/

How can I make this link structure simpler and only latin characters can be displayed?

Thanks.