It's on the page this post was linked to:

https://github.com/blog/1517-introducing-octokit

and on the project page:

http://octokit.github.io/

"Is Cocoa your sword? Let this kit be your shield."

Look, I don't mean to read too much into any of this. I just found it a bit unpleasant, that was all. If that observation is useful for anyone, great, if not, my apology for the distraction.

I missed it entirely. I tried using ctrl + f, but I found nothing because it's an image.