Disabling the confirmation email

Is there an easy way to disable the confirmation starting by "Welcome to our Newsletter

Please keep this message for later reference.

Your email address has been added to the following newsletter(s):…"

If not, where can I translate it? I use the French option but the email sent is in English.

Thank you.

@Lukep If you have created a subscribe page then the contents of the two emails can be changed by editing the subscribe page
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The default values for subscribe page fields are in the “transactional settings” group on the Settings page.

I did not notice the button for the “transaction messages”.
I translated the 2 templates, run some tests and everything works like a charm!
Thank you Duncan