Question on Email Template Changes

I'm working in Email 2.0 and still fairly new to Marketo.  If I make changes to an email template and then approve it, then go into an existing email that uses the just edited template and approve it, will the email pick up the template changes?  I'm afraid the answer is no because it seems to be the case but I'm hoping someone tells me a way to pick up template changes in an existing email?

Thanks!