Editor’s Note: This tutorial was written and demonstrated for Mac OS X Lion 10.7.

One of the new features that OS X Lion sports is spelling correction. But if any of you have used iOS a lot, you know how frustrating it can be. I always disable automatic capitalization and spellcheck in iOS, and if I’m going to upgrade to Lion (which I haven’t done yet, at the time of this writing) I’ll be sure to disable it too. Here’s how, using Terminal.

defaults write NSGlobalDomain NSAutomaticSpellingCorrectionEnabled -bool NO

Logically, it would make sense that to re-enable this, all you have to do is chance NO to YES. Like so:

defaults write NSGlobalDomain NSAutomaticSpellingCorrectionEnabled -bool YES

That’s it!

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