customize email template on recurring donations

[azim_mfbcs]

Hi,

I'm hoping that I can get some helps on the following. We have donations setup via paypal, and the donors will be sent an email with receipt to their donation. How do we customize the donation email, especially the wording of this email receipt? 

Currently, the email would have this content: 

"You donated $37.50 CAD to XXX Society.

Donation Details

Date: xxx

etc.

Thank you very much!

Dwi