Michelle Obama Embellishment

I have to say, this is a poorly planned speech by Michelle Obama. Doesn't she have like 20 aides? Surely, one of them could have caught this embellishment before she delivered the speech, in front of the whole world. Did she not run this speech by one of Barack's people? Did Michelle Obama even write it? I guess we'll have to chalk this embellishment up as another Obama family curiosity, along with all of the other curiosities: