Merge branch 'fix/link' into 'master'

fix link in README.md NO CHANGELOG

See merge request gitlab-org/gitlab-workhorse!628

README.md

@@ -5,7 +5,7 @@ Gitlab-workhorse is a smart reverse proxy for GitLab. It handles
 push/pull and Git archive downloads.
 
 Workhorse itself is not a feature, but there are [several features in
-GitLab](doc/gitlab_features.md) that would not work efficiently without Workhorse.
+GitLab](doc/architecture/gitlab_features.md) that would not work efficiently without Workhorse.
 
 ## Documentation