Hello, @Goldy,
You have to translate it into the Theme language files: https://postimg.cc/FftpmZZV
Same as for the other words as well, you have to find and translate into the theme language files as per your requirements: https://rumissocks.com/wp-admin/admin.php?path=languages%2Floco%2Fthemes%2Fxstore-bg_BG.po&bundle=xstore&domain=xstore&page=loco-theme&action=file-edit
Regards 8Themes Team.