User manual missing revision number and revision date

[Nihon-Ryori]

The follow bcachefs user manual missing a revision number and revision date: "bcachefs: Principles of Operation"

The manual can found on:

• https://bcachefs.org/FAQ/
• https://web.archive.org/web/20231031201646/https://bcachefs.org/FAQ/

Link to file:

• https://bcachefs.org/bcachefs-principles-of-operation.pdf
• https://web.archive.org/web/20231031201858/https://bcachefs.org/bcachefs-principles-of-operation.pdf