Update index.md changed "gonna" to "going to be" (!20310) · Merge requests · GitLab.org / GitLab FOSS · GitLab

Achilleas Pipinellis - OOO until November 25th (parental leave) requested to merge docs/ad-typo into master Jul 02, 2018

What does this MR do?

CE port of https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/6312