Maybe it would explain itself better if that said "specifically designed for writing fiction"? (lots of other sorts of writing don't have characters, for example...)

The first sentence of the first non-bolded paragraph of the webpage is:

>Cheese Paper is a text editor specifically designed for writing, particularly fiction.

I don't think the HN submitter is the author of the software, but if you're just referring to the HN submission title then maybe they'll take you up on your suggestion.

I think it would explain itself better if it explained precisely what makes it better or different from what already exists; Manuskript (open source) and Scrivner (closed source.)