Merge branch 'docs-support-annotation-template-ee' into 'master'

(EE Port) Change link to relative to match CE MR

See merge request gitlab-org/gitlab-ee!14850

doc/user/project/integrations/prometheus.md

@@ -323,7 +323,7 @@ Once enabled, an issue will be opened automatically when an alert is triggered w
   - `starts_at`: Alert start time via `startsAt`
   - `full_query`: Alert query extracted from `generatorURL`
   - Optional list of attached annotations extracted from `annotations/*`
-- Alert [GFM](https://docs.gitlab.com/ee/user/markdown.html#gitlab-flavored-markdown-gfm): GitLab Flavored Markdown from `annotations/gitlab_incident_markdown`
+- Alert [GFM](../../markdown.md): GitLab Flavored Markdown from `annotations/gitlab_incident_markdown`
 
 To further customize the issue, you can add labels, mentions, or any other supported [quick action](../quick_actions.md) in the selected issue template, which will apply to all incidents. To limit quick actions or other information to only specific types of alerts, use the `annotations/gitlab_incident_markdown` field.