Merge branch '434943-docs-fixes-insights' into 'master'

Minor fixes in Insights docs

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/141787



Merged-by: Jon Glassman <jglassman@gitlab.com>
Approved-by: Jon Glassman <jglassman@gitlab.com>
Co-authored-by: Lorena Ciutacu <lciutacu@gitlab.com>