Cross link from API page and fix table formatting

doc/api/settings.md

@@ -189,9 +189,9 @@ In general, all settings are optional. Certain settings though, if enabled, will
 require other settings to be set in order to function properly. These requirements
 are listed in the descriptions of the relevant settings.
 
-| Attribute | Type | Required | Description |
-| --------- | ---- | :------: | ----------- |
-| `admin_notification_email`               | string           | no                                   | Abuse reports will be sent to this address if it is set. Abuse reports are always available in the Admin Area. |
+| Attribute                                | Type             | Required                             | Description |
+|:-----------------------------------------|:-----------------|:-------------------------------------|:------------|
+| `admin_notification_email`               | string           | no                                   | [Abuse reports](../user/admin_area/abuse_reports.md) are sent to this address if set. Abuse reports are always available in the Admin Area. |
 | `after_sign_out_path`                    | string           | no                                   | Where to redirect users after logout. |
 | `after_sign_up_text`                     | string           | no                                   | Text shown to the user after signing up |
 | `akismet_api_key`                        | string           | required by: `akismet_enabled`       | API key for Akismet spam protection. |
@@ -255,10 +255,10 @@ are listed in the descriptions of the relevant settings.
 | `external_auth_client_cert`              | string           | no                                   | (**If enabled, requires:** `external_auth_client_key`) The certificate to use to authenticate with the external authorization service |
 | `external_auth_client_key_pass`          | string           | no                                   | Passphrase to use for the private key when authenticating with the external service this is encrypted when stored |
 | `external_auth_client_key`               | string           | required by: `external_auth_client_cert` | Private key for the certificate when authentication is required for the external authorization service, this is encrypted when stored |
-| `external_authorization_service_default_label` | string     | required by: `external_authorization_service_enabled` | The default classification label to use when requesting authorization and no classification label has been specified on the project |
+| `external_authorization_service_default_label` | string     | required by:<br>`external_authorization_service_enabled` | The default classification label to use when requesting authorization and no classification label has been specified on the project. |
 | `external_authorization_service_enabled` | boolean          | no                                   | (**If enabled, requires:** `external_authorization_service_default_label`, `external_authorization_service_timeout` and `external_authorization_service_url`) Enable using an external authorization service for accessing projects |
-| `external_authorization_service_timeout` | float            | required by: `external_authorization_service_enabled` | The timeout after which an authorization request is aborted, in seconds. When a request times out, access is denied to the user. (min: 0.001, max: 10, step: 0.001) |
-| `external_authorization_service_url`     | string           | required by: `external_authorization_service_enabled` | URL to which authorization requests will be directed |
+| `external_authorization_service_timeout` | float            | required by:<br>`external_authorization_service_enabled` | The timeout after which an authorization request is aborted, in seconds. When a request times out, access is denied to the user. (min: 0.001, max: 10, step: 0.001). |
+| `external_authorization_service_url`     | string           | required by:<br>`external_authorization_service_enabled` | URL to which authorization requests are directed. |
 | `file_template_project_id`               | integer          | no                                   | **(PREMIUM)** The ID of a project to load custom file templates from |
 | `first_day_of_week`                      | integer          | no                                   | Start day of the week for calendar views and date pickers. Valid values are `0` (default) for Sunday, `1` for Monday, and `6` for Saturday. |
 | `geo_node_allowed_ips`                   | string           | yes                                  | **(PREMIUM)** Comma-separated list of IPs and CIDRs of allowed secondary nodes. For example, `1.1.1.1, 2.2.2.0/24`. |
@@ -351,14 +351,14 @@ are listed in the descriptions of the relevant settings.
 | `terminal_max_session_time`              | integer          | no                                   | Maximum time for web terminal websocket connection (in seconds). Set to `0` for unlimited time. |
 | `terms`                                  | text             | required by: `enforce_terms`         | (**Required by:** `enforce_terms`) Markdown content for the ToS. |
 | `throttle_authenticated_api_enabled`     | boolean          | no                                   | (**If enabled, requires:** `throttle_authenticated_api_period_in_seconds` and `throttle_authenticated_api_requests_per_period`) Enable authenticated API request rate limit. Helps reduce request volume (for example, from crawlers or abusive bots). |
-| `throttle_authenticated_api_period_in_seconds` | integer    | required by: `throttle_authenticated_api_enabled` | Rate limit period in seconds.  |
-| `throttle_authenticated_api_requests_per_period` | integer  | required by: `throttle_authenticated_api_enabled` | Max requests per period per user. |
+| `throttle_authenticated_api_period_in_seconds` | integer    | required by:<br>`throttle_authenticated_api_enabled` | Rate limit period in seconds.  |
+| `throttle_authenticated_api_requests_per_period` | integer  | required by:<br>`throttle_authenticated_api_enabled` | Max requests per period per user. |
 | `throttle_authenticated_web_enabled`     | boolean          | no                                   | (**If enabled, requires:** `throttle_authenticated_web_period_in_seconds` and `throttle_authenticated_web_requests_per_period`) Enable authenticated web request rate limit. Helps reduce request volume (for example, from crawlers or abusive bots). |
-| `throttle_authenticated_web_period_in_seconds` | integer    | required by: `throttle_authenticated_web_enabled` | Rate limit period in seconds. |
-| `throttle_authenticated_web_requests_per_period` | integer  | required by: `throttle_authenticated_web_enabled` | Max requests per period per user. |
+| `throttle_authenticated_web_period_in_seconds` | integer    | required by:<br>`throttle_authenticated_web_enabled` | Rate limit period in seconds. |
+| `throttle_authenticated_web_requests_per_period` | integer  | required by:<br>`throttle_authenticated_web_enabled` | Max requests per period per user. |
 | `throttle_unauthenticated_enabled`       | boolean          | no                                   | (**If enabled, requires:** `throttle_unauthenticated_period_in_seconds` and `throttle_unauthenticated_requests_per_period`) Enable unauthenticated request rate limit. Helps reduce request volume (for example, from crawlers or abusive bots). |
-| `throttle_unauthenticated_period_in_seconds` | integer      | required by: `throttle_unauthenticated_enabled` | Rate limit period in seconds.  |
-| `throttle_unauthenticated_requests_per_period` | integer    | required by: `throttle_unauthenticated_enabled` | Max requests per period per IP. |
+| `throttle_unauthenticated_period_in_seconds` | integer      | required by:<br>`throttle_unauthenticated_enabled` | Rate limit period in seconds.  |
+| `throttle_unauthenticated_requests_per_period` | integer    | required by:<br>`throttle_unauthenticated_enabled` | Max requests per period per IP. |
 | `time_tracking_limit_to_hours`           | boolean          | no                                   | Limit display of time tracking units to hours. Default is `false`. |
 | `two_factor_grace_period`                | integer          | required by: `require_two_factor_authentication` | Amount of time (in hours) that users are allowed to skip forced configuration of two-factor authentication. |
 | `unique_ips_limit_enabled`               | boolean          | no                                   | (**If enabled, requires:** `unique_ips_limit_per_user` and `unique_ips_limit_time_window`) Limit sign in from multiple ips. |

doc/user/admin_area/abuse_reports.md

@@ -20,6 +20,9 @@ To receive notifications of new abuse reports by e-mail, follow these steps:
 1. Expand the **Abuse reports** section.
 1. Provide an email address.
 
+The notification email address can also be set and retrieved
+[using the API](../../api/settings.md#list-of-settings-that-can-be-accessed-via-api-calls).
+
 ## Reporting abuse
 
 To find out more about reporting abuse, see [abuse reports user
@@ -31,14 +34,14 @@ To access abuse reports, go to **Admin Area > Abuse Reports**.
 
 There are 3 ways to resolve an abuse report, with a button for each method:
 
-- Remove user & report. This will:
-  - [Delete the reported user](../profile/account/delete_account.md) from the
+- Remove user & report. This:
+  - [Deletes the reported user](../profile/account/delete_account.md) from the
     instance.
-  - Remove the abuse report from the list.
+  - Removes the abuse report from the list.
 - [Block user](#blocking-users).
-- Remove report. This will:
-  - Remove the abuse report from the list.
-  - Remove access restrictions for the reported user.
+- Remove report. This:
+  - Removes the abuse report from the list.
+  - Removes access restrictions for the reported user.
 
 The following is an example of the **Abuse Reports** page:
 
@@ -54,8 +57,7 @@ Blocking a user:
 - Leaves them in the abuse report list.
 - Changes the **Block user** button to a disabled **Already blocked** button.
 
-The user will be notified with the
-[following message](https://gitlab.com/gitlab-org/gitlab/blob/master/app/workers/email_receiver_worker.rb#L38):
+The user is notified with the following message:
 
 ```plaintext
 Your account has been blocked. If you believe this is in error, contact a staff member.