Merge branch 'docs-rlehmann1-add-ff-history-note' into 'master'

Add example to simplify section for edge case

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/175720



Merged-by: Fiona Neill <fneill@gitlab.com>
Approved-by: Fiona Neill <fneill@gitlab.com>
Reviewed-by: Ryan Lehmann <rlehmann@gitlab.com>
Co-authored-by: Ryan Lehmann <rlehmann@gitlab.com>