No, that is some feature related to your device/browser and textboxes. For example, when I type on my Ipad using Safari, a spelling corrector kicks-in on its own. On the other hand, my laptop does not spell-check when using Firefox, so I tend to type the content on Word first to be on the safe side. Of course, this is not error free, and grammar issues may be overlooked, but at least it ensures a better base than typing right in to the post area of the forum.