In Word, when one types the first four letters of a month, a floating prompt appears -- for instance, typing sept produces "september" above the line and one presses Enter to put September into the document. I have somehow turned this feature off in my program and cannot figure out how to turn it back on, and since I haven't been able to figure out what it's called I can't find a specific help.

I'm using Word 2010.

Help!
carol