Merge branch 'asmaa.hassan-master-patch-3fb8' into 'master'

Fix typo in reference architecure

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138546



Merged-by: Achilleas Pipinellis <axil@gitlab.com>
Co-authored-by: Asmaa Hassan <ahassanahmed@gitlab.com>