The history section in this man page is correct. Relevant commits in chronological order:

usr/include/fstab.h: https://github.com/dspinellis/unix-history-repo/commit/fd4f9...

usr/skel/etc/fstab: https://github.com/dspinellis/unix-history-repo/commit/fd4f9...

usr/man/man5/fstab.5: https://github.com/dspinellis/unix-history-repo/commit/8591f...