Just one section in Wordpress (it's possible?)

I’ve tried multiple things, but I can’t have what I wanted. I recently add the Patreon plugin to my Wordpress, and I tried to either have a warning in French to tell people to be a member of our Patreon. But there is this section I can’t change the language, or I cannot delete (even with the Patreon Pro Plugin).

Can someone help me?

Ah yeah. Those interface text need translation options. In the free version it requires some coding but it would be easier to implement it in the pro version. Though that may take a month or two to get released, so until it gets released you cam try using the ‘Custom call to action’ option in Patreon Settings menu in your WP admin.