optimize email text for totp

[masteradhoc]

What?

Improve the 2FA email message structure, wording, and clarity to better align with WordPress core email standards and improve security communication.

Why?

This change improves accuracy, consistency with WordPress core email tone (e.g., password reset emails), and overall user experience while preserving existing behavior.

How?

No functional behavior of token generation or validation was changed. Just clarification of the content itself

Testing Instructions

1. Enable Email Two-Factor authentication.
2. Attempt to log in with a user account requiring email 2FA.
3. Verify the received email contains the new changes

Screenshots or screencast

Changelog Entry

Changed - Improved 2FA email wording, structure, and accuracy to align with WordPress core standards and enhance security clarity.

[github-actions]

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Co-authored-by: masteradhoc <masteradhoc@git.wordpress.org>
Co-authored-by: kasparsd <kasparsd@git.wordpress.org>

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[kasparsd]

I feel like A login attempt was made for account ... sounds cautious or a bit dangerous.

Here are examples of email code login we can use for reference:

• They all have the code in a dedicated line.
• Some use scary language because they send the email verification only if things don't look like usual.

X (Twitter)

OpenAI

Microsoft

Ryanair

[kasparsd]

@masteradhoc Here is the email after updates:

Does it look good to you? Any changes you would suggest?

[masteradhoc]

@kasparsd looks good to me!