Merge branch 'docs-alert-management-api' into 'master'

Edits to alert management API doc

See merge request gitlab-org/gitlab!81307

doc/api/alert_management_alerts.md

@@ -4,12 +4,10 @@ group: Respond
 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
 ---
 
-# Alert Management Alerts API **(FREE)**
+# Alert Management alerts API **(FREE)**
 
-This is the documentation of Alert Management Alerts API.
-
-NOTE:
-This API is limited to metric images. For more API endpoints please refer to the [GraphQL API](graphql/reference/index.md#alertmanagementalert).
+The Alert Management alerts API is limited to metric images. For more API endpoints, see the
+[GraphQL API](graphql/reference/index.md#alertmanagementalert).
 
 ## Upload metric image
 
@@ -48,8 +46,8 @@ GET /projects/:id/alert_management_alerts/:alert_iid/metric_images
 
 | Attribute   | Type    | Required | Description                          |
 |-------------|---------|----------|--------------------------------------|
-| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding) owned by the authenticated user  |
-| `alert_iid` | integer | yes      | The internal ID of a project's alert |
+| `id`        | integer/string | yes      | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding) owned by the authenticated user. |
+| `alert_iid` | integer | yes      | The internal ID of a project's alert. |
 
 ```shell
 curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/alert_management_alerts/93/metric_images"