Well, thank you! Hope you find the dead trees worthwhie. And you're right - though there do seem to be quite a few sources out there that make the same mistake. Will fix.
I thought it was yet another spelling (Matheson) until I checked Wikipedia while composing my comment.
http://andrewhickey.info/2010/12/31/jeeves-and-the-singularity
Not sure if this is appropriate here, but I thought some of you might find this story I wrote amusing...