It seems that HiEnd theme is overriding the translation files (.po and .mo) for Woocommerce. Some of the buttons remain in english, though they have been translated in related .po file. For example “update cart” button and so on.
If I switch to another theme (for example twentyseventeen), this problem disappears and all the buttons are displayed in correct language (finnish in my case).
Is there a way to stop HighEnd theme overriding the translation files of woocommerce?
Thank you for your help!