Merge branch 'docs/adjust-issue-to-epic-docs' into 'master'

Correct version and edit text

See merge request gitlab-org/gitlab-ee!8916

doc/user/group/epics/index.md

@@ -93,23 +93,24 @@ link in the issue sidebar.
 
 ## Promoting an issue to an epic
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/7730) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 10.6.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/3777) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 11.6.
 
 If you have [permissions](../../permissions.md) to close an issue and create an
 epic in the parent group, you can promote an issue to an epic with the `/promote`
 [quick action](../../project/quick_actions.md#quick-actions-for-epics-ultimate).
 Only issues from projects that are in groups can be promoted.
 
-Once the quick action is applied, the epic will be created in the group the
-issue of the project belongs to (direct parent group). A notification of that
-epic creation will be sent to the subscribers of the original issue.
+When the quick action is executed:
+
+- An epic is created in the same group as the project of the issue.
+- Subscribers of the issue are notified that the epic was created.
 
 The following issue metadata will be copied to the epic:
 
-- Title, description, activity/comment thread
-- Upvotes/downvotes
-- Participants
-- Group labels that the issue already has
+- Title, description, activity/comment thread.
+- Upvotes/downvotes.
+- Participants.
+- Group labels that the issue already has.
 
 ## Searching for an epic from epics list page