Editing while reading

"kramdown (sic, not Kramdown or KramDown, just kramdown)" See: https://kramdown.gettalong.org/index.html

Make about.GitLab.com a link everywhere.

Various typos (e.g. "in maintained", "markdwon").

It looks like some parts were written by a German author, change to more idiomatic usage.

"discretely" means "in different parts", "discreetly" means "subtly".