Merge branch 'selhorn-epic-board-lowercase' into 'master'

Standardizing on lowercase for 'epic boards'

See merge request gitlab-org/gitlab!68409

doc/user/group/epics/epic_boards.md

@@ -4,7 +4,7 @@ group: Product Planning
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 ---
 
-# Epic Boards **(PREMIUM)**
+# Epic boards **(PREMIUM)**
 
 > - [Introduced](https://gitlab.com/groups/gitlab-org/-/epics/5067) in GitLab 13.10.
 > - [Feature flag removed](https://gitlab.com/gitlab-org/gitlab/-/issues/290039) in GitLab 14.1.
@@ -54,7 +54,7 @@ Prerequisites:
 
 To delete the active epic board:
 
-1. Select the dropdown with the current board name in the upper left corner of the Epic Boards page.
+1. Select the dropdown with the current board name in the upper left corner of the epic boards page.
 1. Select **Delete board**.
 1. Select **Delete**.
 

doc/user/group/epics/index.md

@@ -64,7 +64,7 @@ You can also consult the [group permissions table](../../permissions.md#group-me
 ## Related topics
 
 - [Manage epics](manage_epics.md) and multi-level child epics.
-- Create workflows with [Epic Boards](epic_boards.md).
+- Create workflows with [epic boards](epic_boards.md).
 - [Turn on notifications](../../profile/notifications.md) for about epic events.
 - [Award an emoji](../../award_emojis.md) to an epic or its comments.
 - Collaborate on an epic by posting comments in a [thread](../../discussions/index.md).