Add missing tiers to Plan docs

doc/api/award_emoji.md

@@ -4,9 +4,7 @@ group: Project Management
 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
 ---
 
-# Award Emoji API
-
-> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/4575) in GitLab 8.9. Snippet support added in 8.12.
+# Award emoji API **(FREE)**
 
 An [awarded emoji](../user/award_emojis.md) tells a thousand words.
 

doc/api/boards.md

@@ -4,9 +4,9 @@ group: Project Management
 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
 ---
 
-# Project Issue Boards API
+# Project issue boards API **(FREE)**
 
-Every API call to boards must be authenticated.
+Every API call to [issue boards](../user/project/issue_board.md) must be authenticated.
 
 If a user is not a member of a private project,
 a `GET` request on that project results in a `404` status code.

doc/api/graphql/sample_issue_boards.md

@@ -4,10 +4,10 @@ group: Project Management
 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
 ---
 
-# Identify issue boards with GraphQL
+# Identify issue boards with GraphQL **(FREE)**
 
 This page describes how you can use the GraphiQL explorer to identify
-existing issue boards in the `gitlab-docs` documentation repository.
+existing [issue boards](../../user/project/issue_board.md) in the `gitlab-docs` documentation repository.
 
 ## Set up the GraphiQL explorer
 

doc/api/group_boards.md

@@ -4,16 +4,16 @@ group: Project Management
 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
 ---
 
-# Group Issue Boards API
+# Group issue boards API **(FREE)**
 
-Every API call to group boards must be authenticated.
+Every API call to [group issue boards](../user/project/issue_board.md#group-issue-boards) must be authenticated.
 
 If a user is not a member of a group and the group is private, a `GET`
 request results in `404` status code.
 
 ## List all group issue boards in a group
 
-Lists Issue Boards in the given group.
+Lists issue boards in the given group.
 
 ```plaintext
 GET /groups/:id/boards

doc/api/group_labels.md

@@ -4,11 +4,13 @@ group: Project Management
 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
 ---
 
-# Group Labels API
+# Group labels API **(FREE)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/21368) in GitLab 11.8.
 
-This API supports managing of [group labels](../user/project/labels.md#project-labels-and-group-labels). It allows to list, create, update, and delete group labels. Furthermore, users can subscribe and unsubscribe to and from group labels.
+This API supports managing [group labels](../user/project/labels.md#project-labels-and-group-labels).
+It allows to list, create, update, and delete group labels. Furthermore, users can subscribe to and
+unsubscribe from group labels.
 
 NOTE:
 The `description_html` - was added to response JSON in [GitLab 12.7](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/21413).

doc/api/group_milestones.md

@@ -4,11 +4,9 @@ group: Project Management
 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
 ---
 
-# Group milestones API
+# Group milestones API **(FREE)**
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/12819) in GitLab 9.5.
-
-This page describes the group milestones API.
+Use the group [milestones](../user/project/milestones/index.md) using the REST API.
 There's a separate [project milestones API](milestones.md) page.
 
 ## List group milestones

doc/api/issues.md

@@ -4,7 +4,9 @@ group: Project Management
 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
 ---
 
-# Issues API
+# Issues API **(FREE)**
+
+Interact with [GitLab Issues](../user/project/issues/index.md) using the REST API.
 
 If a user is not a member of a private project, a `GET`
 request on that project results in a `404` status code.

doc/api/issues_statistics.md

@@ -4,9 +4,9 @@ group: Project Management
 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
 ---
 
-# Issues Statistics API
+# Issues statistics API **(FREE)**
 
-Every API call to issues_statistics must be authenticated.
+Every API call to the [issues](../user/project/issues/index.md) statistics API must be authenticated.
 
 If a user is not a member of a project and the project is private, a `GET`
 request on that project results in a `404` status code.

doc/api/labels.md

@@ -4,7 +4,9 @@ group: Project Management
 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
 ---
 
-# Labels API
+# Labels API **(FREE)**
+
+Insteract with [labels](../user/project/labels.md) using the REST API.
 
 NOTE:
 The `description_html` - was added to response JSON in [GitLab 12.7](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/21413).

doc/api/milestones.md

@@ -4,9 +4,9 @@ group: Project Management
 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
 ---
 
-# Project milestones API
+# Project milestones API **(FREE)**
 
-This page describes the project milestones API.
+Use project [milestones](../user/project/milestones/index.md) with the REST API.
 There's a separate [group milestones API](group_milestones.md) page.
 
 ## List project milestones

doc/api/notification_settings.md

@@ -4,22 +4,20 @@ group: Project Management
 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
 ---
 
-# Notification settings API
+# Notification settings API **(FREE)**
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/5632) in GitLab 8.12.
+Change [notification settings](../user/profile/notifications.md) using the REST API.
 
 ## Valid notification levels
 
 The notification levels are defined in the `NotificationSetting.level` model enumeration. Currently, these levels are recognized:
 
-```plaintext
-disabled
-participating
-watch
-global
-mention
-custom
-```
+- `disabled`
+- `participating`
+- `watch`
+- `global`
+- `mention`
+- `custom`
 
 If the `custom` level is used, specific email events can be controlled. Available events are returned by `NotificationSetting.email_events`. Currently, these events are recognized:
 

doc/api/projects.md

@@ -4,7 +4,9 @@ group: Project Management
 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
 ---
 
-# Projects API
+# Projects API **(FREE)**
+
+Interact with [projects](../user/project/index.md) using the REST API.
 
 ## Project visibility level
 

doc/api/resource_milestone_events.md

@@ -4,12 +4,12 @@ group: Project Management
 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
 ---
 
-# Resource milestone events API
+# Resource milestone events API **(FREE)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/31720) in GitLab 13.1.
 
-Resource milestone events keep track of what happens to GitLab [issues](../user/project/issues/) and
-[merge requests](../user/project/merge_requests/).
+Resource [milestone](../user/project/milestones/index.md) events keep track of what happens to
+GitLab [issues](../user/project/issues/) and [merge requests](../user/project/merge_requests/).
 
 Use them to track which milestone was added or removed, who did it, and when it happened.
 

doc/api/resource_state_events.md

@@ -4,7 +4,7 @@ group: Project Management
 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
 ---
 
-# Resource state events API
+# Resource state events API **(FREE)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/35210/) in GitLab 13.2.
 

doc/api/resource_weight_events.md

@@ -4,7 +4,7 @@ group: Project Management
 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
 ---
 
-# Resource weight events API
+# Resource weight events API **(FREE)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/32542) in GitLab 13.2.
 

doc/api/todos.md

@@ -4,13 +4,13 @@ group: Project Management
 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
 ---
 
-# To dos API
+# GitLab To-Do List API **(FREE)**
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/3188) in GitLab 8.10.
+Interact with [to-do items](../user/todos.md) using the REST API.
 
-## Get a list of to dos
+## Get a list of to-do items
 
-Returns a list of [to-do items](../user/todos.md). When no filter is applied, it
+Returns a list of to-do items. When no filter is applied, it
 returns all pending to-do items for the current user. Different filters allow the
 user to refine the request.
 
@@ -26,7 +26,7 @@ Parameters:
 | `author_id` | integer | no | The ID of an author |
 | `project_id` | integer | no | The ID of a project |
 | `group_id` | integer | no | The ID of a group |
-| `state` | string | no | The state of the to do. Can be either `pending` or `done` |
+| `state` | string | no | The state of the to-do item. Can be either `pending` or `done` |
 | `type` | string | no | The type of to-do item. Can be either `Issue`, `MergeRequest`, `DesignManagement::Design` or `AlertManagement::Alert` |
 
 ```shell
@@ -190,8 +190,8 @@ Example Response:
 
 ## Mark a to-do item as done
 
-Marks a single pending to do given by its ID for the current user as done. The
-to do marked as done is returned in the response.
+Marks a single pending to-do item given by its ID for the current user as done. The
+to-do item marked as done is returned in the response.
 
 ```plaintext
 POST /todos/:id/mark_as_done
@@ -287,9 +287,9 @@ Example Response:
 }
 ```
 
-## Mark all to dos as done
+## Mark all to-do items as done
 
-Marks all pending to dos for the current user as done. It returns the HTTP status code `204` with an empty response.
+Marks all pending to-do items for the current user as done. It returns the HTTP status code `204` with an empty response.
 
 ```plaintext
 POST /todos/mark_as_done

doc/user/group/epics/manage_epics.md

@@ -5,8 +5,6 @@ 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
 ---
 
-<!-- When adding a new h2 section here, remember to mention it in index.md#manage-epics -->
-
 # Manage epics **(PREMIUM)**
 
 This page collects instructions for all the things you can do with [epics](index.md) or in relation

doc/user/project/description_templates.md

@@ -4,7 +4,7 @@ group: Project Management
 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
 ---
 
-# Description templates
+# Description templates **(FREE)**
 
 We all know that a properly submitted issue is more likely to be addressed in
 a timely manner by the developers of a project.

doc/user/project/import/jira.md

@@ -4,7 +4,7 @@ group: Project Management
 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
 ---
 
-# Import your Jira project issues to GitLab
+# Import your Jira project issues to GitLab **(PREMIUM)**
 
 > [Introduced](https://gitlab.com/groups/gitlab-org/-/epics/2766) in GitLab 12.10.
 

doc/user/project/issues/associate_zoom_meeting.md

@@ -4,7 +4,7 @@ group: Project Management
 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
 ---
 
-# Associate a Zoom meeting with an issue
+# Associate a Zoom meeting with an issue **(FREE)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/16609) in GitLab 12.4.
 

doc/user/project/issues/confidential_issues.md

@@ -4,11 +4,9 @@ group: Project Management
 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
 ---
 
-# Confidential issues
+# Confidential issues **(FREE)**
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/3282) in GitLab 8.6.
-
-Confidential issues are issues visible only to members of a project with
+Confidential issues are [issues](index.md) visible only to members of a project with
 [sufficient permissions](#permissions-and-access-to-confidential-issues).
 Confidential issues can be used by open source projects and companies alike to
 keep security vulnerabilities private or prevent surprises from leaking out.

doc/user/project/issues/crosslinking_issues.md

@@ -4,9 +4,9 @@ group: Project Management
 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
 ---
 
-# Crosslinking issues
+# Crosslinking issues **(FREE)**
 
-There are several ways to mention an issue or make issues appear in each other's
+There are several ways to mention an issue or make [issues](index.md) appear in each other's
 [Linked issues](related_issues.md) section.
 
 For more information on GitLab Issues, read the [issues documentation](index.md).

doc/user/project/issues/issue_data_and_actions.md

@@ -4,7 +4,7 @@ group: Project Management
 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
 ---
 
-# Issue Data and Actions
+# Issue Data and Actions **(FREE)**
 
 Please read through the [GitLab Issue Documentation](index.md) for an overview on GitLab Issues.
 

doc/user/project/issues/managing_issues.md

@@ -4,7 +4,7 @@ group: Project Management
 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
 ---
 
-# Managing issues
+# Managing issues **(FREE)**
 
 [GitLab Issues](index.md) are the fundamental medium for collaborating on ideas and
 planning work in GitLab.

doc/user/project/time_tracking.md

@@ -6,9 +6,7 @@ group: Project Management
 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
 ---
 
-# Time Tracking
-
-> Introduced in GitLab 8.14.
+# Time Tracking **(FREE)**
 
 Time Tracking allows you to track estimates and time spent on issues and merge
 requests within GitLab.