Cross link cascade feature section and rename section

doc/user/admin_area/merge_requests_approvals.md

@@ -9,9 +9,13 @@ type: reference, concepts
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/39060) in GitLab 12.8.
 
-Merge request approval rules prevent users from overriding certain settings on the project
-level. When enabled at the instance level, these settings are no longer editable on the
-project level.
+Merge request approval rules prevent users from overriding certain settings on the project level.
+When enabled at the instance level, these settings [cascade](../project/merge_requests/approvals/settings.md#settings-cascading)
+and can no longer be changed:
+
+- In projects.
+- In groups. Cascading to groups was [enabled by default](https://gitlab.com/gitlab-org/gitlab/-/issues/285410)
+  in GitLab 14.5.
 
 To enable merge request approval settings for an instance:
 
@@ -24,15 +28,14 @@ To enable merge request approval settings for an instance:
 
 Merge request approval settings that can be set at an instance level are:
 
-- **Prevent approval by author**. Prevents project
-maintainers from allowing request authors to merge their own merge requests.
-- **Prevent approvals by users who add commits**. Prevents project
-maintainers from allowing users to approve merge requests if they have submitted
-any commits to the source branch.
-- **Prevent editing approval rules in projects and merge requests**. Prevents users from
-modifying the approvers list in project settings or in individual merge requests.
+- **Prevent approval by author**. Prevents project maintainers from allowing request authors to
+  merge their own merge requests.
+- **Prevent approvals by users who add commits**. Prevents project maintainers from allowing users
+  to approve merge requests if they have submitted any commits to the source branch.
+- **Prevent editing approval rules in projects and merge requests**. Prevents users from modifying
+  the approvers list in project settings or in individual merge requests.
 
 See also the following, which are affected by instance-level rules:
 
-- [Project-level merge request approval rules](../project/merge_requests/approvals/index.md).
-- [Group-level merge request approval rules](../group/index.md#group-approval-rules) available in GitLab 13.9 and later.
+- [Project merge request approval rules](../project/merge_requests/approvals/index.md).
+- [Group merge request approval rules](../group/index.md#group-approval-rules) available in GitLab 13.9 and later.

doc/user/group/index.md

@@ -742,12 +742,11 @@ The group's new subgroups have push rules set for them based on either:
 FLAG:
 On self-managed GitLab, by default this feature is available. To hide the feature per group, ask an administrator to [disable the feature flag](../../administration/feature_flags.md) named `group_merge_request_approval_settings_feature_flag`. On GitLab.com, this feature is available.
 
-Group approval rules provides an interface for managing 
-[project merge request approval rules](../project/merge_requests/approvals/index.md) at the
-top-level group level. When rules are configured [at the instance level](../admin_area/merge_requests_approvals.md),
-you can't edit locked rules.
+Group approval rules manage [project merge request approval rules](../project/merge_requests/approvals/index.md)
+at the top-level group level. These rules [cascade to all projects](../project/merge_requests/approvals/settings.md#settings-cascading)
+that belong to the group.
 
-To view the merge request approval rules UI for a group:
+To view the merge request approval rules for a group:
 
 1. Go to the top-level group's **Settings > General** page.
 1. Expand the **Merge request approvals** section.

doc/user/project/merge_requests/approvals/settings.md

@@ -139,7 +139,7 @@ coverage.
 
 To learn more, see [Coverage check approval rule](../../../../ci/pipelines/settings.md#coverage-check-approval-rule).
 
-## Merge request approval settings cascading
+## Settings cascading
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/285410) in GitLab 14.4. [Deployed behind the `group_merge_request_approval_settings_feature_flag` flag](../../../../administration/feature_flags.md), disabled by default.
 > - [Enabled by default](https://gitlab.com/gitlab-org/gitlab/-/issues/285410) in GitLab 14.5.
@@ -149,11 +149,13 @@ On self-managed GitLab, by default this feature is available. To hide the featur
 
 You can also enforce merge request approval settings:
 
-- At the [instance level](../../../admin_area/merge_requests_approvals.md), which apply to all groups on an instance and, therefore, all
-  projects.
-- On a [top-level group](../../../group/index.md#group-approval-rules), which apply to all subgroups and projects.
+- At the [instance level](../../../admin_area/merge_requests_approvals.md), which apply to all groups
+  on an instance and, therefore, all projects.
+- On a [top-level group](../../../group/index.md#group-approval-rules), which apply to all subgroups
+  and projects.
 
-If the settings are inherited by a group or project, they cannot be overridden by the group or project that inherited them.
+If the settings are inherited by a group or project, they cannot be changed in the group or project
+that inherited them.
 
 ## Related links