Update documentation

doc/user/group/roadmap/index.md

@@ -6,6 +6,12 @@ An Epic within a group containing **Start date** and/or **Due date**
 can be visualized in a form of a timeline (e.g. a Gantt chart). The Epics Roadmap page
 shows such a visualization for all the epics which are under a group and/or its subgroups.
 
+![roadmap view](img/roadmap_view.png)
+
+A dropdown allows you to show only open or closed epics. By default, all epics are shown.
+
+![epics state dropdown](img/epics_state_dropdown.png)
+
 Epics in the view can be sorted by:
 
 - **Created date**
@@ -15,8 +21,6 @@ Epics in the view can be sorted by:
 
 Each option contains a button that can toggle the order between **ascending** and **descending**. The sort option and order will be persisted to be used wherever epics are browsed including the [epics list view](../epics/index.md).
 
-![roadmap view](img/roadmap_view.png)
-
 ## Timeline duration
 
 Starting with [GitLab Ultimate][ee] 11.0, Roadmap supports three different date ranges; Quarters, Months (Default) and Weeks.

ee/changelogs/unreleased/8035-show-closed-epics-in-roadmap.yml → ee/changelogs/unreleased/8035-add-epics-state-filtering-in-roadmap.yml

 ---
-title: Show closed epics in roadmap view
+title: Add epics state filtering in roadmap view
 merge_request: 8658
 author:
 type: changed