The comment form is looking strange. While logged in as admin, I can see it like this: https://dl.dropboxusercontent.com/u/361607/Screen%20Shot%202016-05-01%20at%2010.33.07.png
You can type in both fields and it's confusing.
This is hot it looks to a logged out user:
Is it a bug or a feature? I have no customisations in place, using the very fresh theme version.