How to change the email/sms template for OTP verify

How to change the email/sms template for OTP verify

Hi all,
I am trying to find the configure to change the content of email/sms with OTP code. Now every time I add new email/mobile number and click verify, the email with OTP will be like this:

"We received an enrollment request to use this email address for password reset and account unlock. To complete the enrollment, enter the verification code given below in the enrollment page.

Verification code: 141964

Please do not share this code with anyone."

Please help to share where to change that content?
Thx.

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