When you dictate, make sure to correct the mistakes that Dragon NaturallySpeaking makes so that your accuracy improves over time. Making quick corrections to your dictation will save you lots of time and help you avoid confusion. Here are some commands you can use to quickly correct your mistakes.

Say This Do This
"Correct <xyz>" Select the text you want to correct.
"Scratch That" Delete what you just dictated.
"Delete That" Delete what you just dictated.
"Spell That" Open the Spell Window to spell the word you just dictated.