Mistake on app

<p>What should I do if I know I made a typo on my common app? Should I send in a new one with a note explaining what happened?</p>

<p>is it an irrelevant typo, or something factual? don't waste their time if it's something silly.
"If you need to make changes to your Common Application, please mail a letter with your full name, high school and the updated information. Please do not resend your Common Application." harvard website</p>