h1 in category page

I'm trying to add an h1 in a category page. I'm using a plugin that is changing categories: WpAdverts.

I have seen the previous thread: https://generatepress.com/forums/topic/changing-h1-on-category-pages/, and I have tried to do it, but it doesn't work for me. I use hero block in other parts of the webpage, but I don't know why it is not working in this one.

What can I do to add an h1?

I add info in the private info area.

Thank you.