What is a better position for 'send OTP by email' on sms OTP feature

1. How do I send OTP securely?
2. What is OTP via SMS?

How do I send OTP securely?

For User: To receive an OTP by SMS, you have to enable two-factor authentication and request a one-time password from the application or website you want access to by entering your registered mobile number and clicking on “Send OTP”.

What is OTP via SMS?

SMS OTP (one time password) is a secure 2 factor authentication method where a text containing a unique alphanumeric or numeric code is sent to a mobile number (MSISDM). The recipient then uses this code or password as an additional layer of security to login to a service, website or app.