Very nice tips, @vincent. Nice job suggesting some breathing room for that text. 
I did want to mention one thing though. Sorry to throw a counterpoint in here, but HTML5 kind of changes things when it comes to the semantic use of heading tags. And since Webflow produces HTML5 documents, it’s good to know the differences between HTML5 and pre-HTML5.
Here’s a good and fairly easy to read article that might help on the subject.