Merge branch 'alvin-master-patch-f72f' into 'master'

Add detail about URL case sensitivity

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167600



Merged-by: Ashraf Khamis <akhamis@gitlab.com>
Approved-by: Ashraf Khamis <akhamis@gitlab.com>
Co-authored-by: Alvin Gounder <agounder@gitlab.com>