This from the Daily Beast Cheat Sheet: Afternoon Edition for April 4, 2012:
At least, I can’t find “infalliable” in any of my dictionaries.
This assumes there actually are proofreaders on the scene, of course. Increasingly, based on my reading both online and in print, I think The Powers That Be have decided that proofreaders—the good ones, at least—are an unnecessary luxury.
They aren’t. Trust me on this one.