auto-generated H1 tags for cats & filters

Awesome feature, but H1 tags are not being autogenerated for me. Please see web:

https://yesclub.cz/produkt-kategorie/sukne/

If you choose attribute it doesnt add it to H1.

Here are screenshots of mine settings widget plugin:

Is there anything else to set up to make it works?

Thanks for any kind of lead on this one.