[fix] FAQ for recursive forwarding missing context

[junxit]

Describe the bug

Likely documentation bug: app/views/faq/index.md#L3577

Actual behavior

Documentation says:

Note that an error will be thrown if you attempt to recursively forward emails.

Expected behavior

Note that an error will be thrown if you attempt to recursively forward emails beyond the maximum limit.

Sample PR

If ForwardEmail.net agrees this is a problem, here is a sample PR: #290

• [*] I have searched through GitHub issues for similar issues.
• [*] I have completely read through the README and documentation.
• [*] I have tested my code with the latest version of Node.js and this package and confirmed it is still not working.