docs-link links error

Job #1465760506 failed for 622b405e:

bundle exec nanoc check ::: internal_links internal_anchors

Issues found!
  (global):
    [ ERROR ] internal_anchors - Broken anchor detected!
      - source file `/tmp/gitlab-docs/public/ee/ci/jobs/index.html`
      - destination `/tmp/gitlab-docs/public/ee/ci/yaml/README.html`
      - link `../yaml/README.html#environmentaction`
      - anchor `#environmentaction`
    [ ERROR ] internal_anchors - 1 offenses found!