Set standard of appropriate punctuation for separating explanatory text from a list item
While working on https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/21490, @axil identified (https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/21490#note_98684543) that I used a writing style that isn't covered by the documentation style guide (https://docs.gitlab.com/ee/development/documentation/styleguide.html), but probably should be.
I think we should settle on :
, given the comments about dashes in: https://design.gitlab.com/content/punctuation/.
@gl-docsteam, what do you think?