Merge branch 'ag-spelling-fixes' into 'master'

Fix spelling in code comments

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183239



Merged-by: Peter Leitzen <pleitzen@gitlab.com>
Approved-by: Peter Leitzen <pleitzen@gitlab.com>
Co-authored-by: Aakriti Gupta <agupta@gitlab.com>