that is from cloning his fork. The one landed through the github UI looks similar enough:
Copy code
commit 3d70ca5d71c17727115ad3cec62beb71bd453f3c
Author: Mark Davis <markdav@users.noreply.github.com>
Date: Fri Nov 18 21:55:27 2016 +0000
Spelling mistake in first_tutorial (#4045)