Hi there, Tatiana! Thanks for getting in touch. 🙂
We rely heavily on the community to help translate our plugins. We have quite a collection of translations available right out of the box thanks to everyone’s contributions, but not everything has been covered unfortunately.
The best way to translate those items is to update the .pot file for your language. You can refer to our documentation for the exact strings that would need to be added to those files to get the translations you need.
Another route is to use a custom filter to translate the text, which would look something like this snippet in your theme’s functions.php file. However, this may also have the effect of disabling the rest of your translations, so it’s worth testing.
Sorry I don’t have a concrete solution for you here, but I hope this helps steer you in the right direction. 🙂
Cheers!
Geoff