A few things. I would expect a writing application to have incredible copywriting. You have to out-write the writers! Here are some examples where the text could be improved, though really the whole page needs to be rewritten using the inverted pyramid. 1. "Api" should be "API". 2. "You're the skilled developer, so why would it be ok to settle for technical constraints as soon as there's manageable content involved?"…
"prismic.io is a different approach to content management. It features a Writing Room for content writers to author and manage content, and a Content Query Api for developers to integrate managed content into any website or app."