Appointments+ - How to edit admin notification emails?

Whenever someone schedules an appointment on my site I get a confirmation email titled 'New Appointment'.

The email starts out like this...

"A new appointment has been made on Singler Chiropractic. Below please find a copy of what has been sent to your client:

Dear _______...."

I can't seem to find anywhere on the backend to edit this email, only the confirmation and reminder emails. Is there somewhere in the code I can edit this email?

I really just want it to say something like...

"A new appointment has been made on Singler Chiropractic. Below please find a copy of what has been sent to your client:

Client Name:
Time & Date: