Doc: Fix order of sections

doc/api/merge_request_approvals.md

@@ -525,87 +525,6 @@ PUT /projects/:id/merge_requests/:merge_request_iid/approvers
 }
 ```
 
-## Approve Merge Request
-
->**Note:** This API endpoint is only available on 8.9 Starter and above.
-
-If you are allowed to, you can approve a merge request using the following
-endpoint:
-
-```
-POST /projects/:id/merge_requests/:merge_request_iid/approve
-```
-
-**Parameters:**
-
-| Attribute           | Type    | Required | Description             |
-|---------------------|---------|----------|-------------------------|
-| `id`                | integer | yes      | The ID of a project     |
-| `merge_request_iid` | integer | yes      | The IID of MR           |
-| `sha`               | string  | no       | The HEAD of the MR      |
-| `approval_password` **(STARTER)** | string  | no      | Current user's password. Required if [**Require user password to approve**](../user/project/merge_requests/merge_request_approvals.md#require-authentication-when-approving-a-merge-request-starter) is enabled in the project settings. |
-
-The `sha` parameter works in the same way as
-when [accepting a merge request](merge_requests.md#accept-mr): if it is passed, then it must
-match the current HEAD of the merge request for the approval to be added. If it
-does not match, the response code will be `409`.
-
-```json
-{
-  "id": 5,
-  "iid": 5,
-  "project_id": 1,
-  "title": "Approvals API",
-  "description": "Test",
-  "state": "opened",
-  "created_at": "2016-06-08T00:19:52.638Z",
-  "updated_at": "2016-06-09T21:32:14.105Z",
-  "merge_status": "can_be_merged",
-  "approvals_required": 2,
-  "approvals_left": 0,
-  "approved_by": [
-    {
-      "user": {
-        "name": "Administrator",
-        "username": "root",
-        "id": 1,
-        "state": "active",
-        "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon",
-        "web_url": "http://localhost:3000/root"
-      }
-    },
-    {
-      "user": {
-        "name": "Nico Cartwright",
-        "username": "ryley",
-        "id": 2,
-        "state": "active",
-        "avatar_url": "http://www.gravatar.com/avatar/cf7ad14b34162a76d593e3affca2adca?s=80\u0026d=identicon",
-        "web_url": "http://localhost:3000/ryley"
-      }
-    }
-  ],
-}
-```
-
-## Unapprove Merge Request
-
->**Note:** This API endpoint is only available on 9.0 Starter and above.
-
-If you did approve a merge request, you can unapprove it using the following
-endpoint:
-
-```
-POST /projects/:id/merge_requests/:merge_request_iid/unapprove
-```
-
-**Parameters:**
-
-| Attribute           | Type    | Required | Description         |
-|---------------------|---------|----------|---------------------|
-| `id`                | integer | yes      | The ID of a project |
-| `merge_request_iid` | integer | yes      | The IID of MR       |
-
 ### Get merge request level rules
 
 >**Note:** This API endpoint is only available on 12.3 Starter and above.
@@ -869,3 +788,84 @@ These are system generated rules.
 | `id`                | integer | yes      | The ID of a project       |
 | `merge_request_iid` | integer | yes      | The ID of MR              |
 | `approval_rule_id`  | integer | yes      | The ID of a approval rule |
+
+## Approve Merge Request
+
+>**Note:** This API endpoint is only available on 8.9 Starter and above.
+
+If you are allowed to, you can approve a merge request using the following
+endpoint:
+
+```
+POST /projects/:id/merge_requests/:merge_request_iid/approve
+```
+
+**Parameters:**
+
+| Attribute           | Type    | Required | Description             |
+|---------------------|---------|----------|-------------------------|
+| `id`                | integer | yes      | The ID of a project     |
+| `merge_request_iid` | integer | yes      | The IID of MR           |
+| `sha`               | string  | no       | The HEAD of the MR      |
+| `approval_password` **(STARTER)** | string  | no      | Current user's password. Required if [**Require user password to approve**](../user/project/merge_requests/merge_request_approvals.md#require-authentication-when-approving-a-merge-request-starter) is enabled in the project settings. |
+
+The `sha` parameter works in the same way as
+when [accepting a merge request](merge_requests.md#accept-mr): if it is passed, then it must
+match the current HEAD of the merge request for the approval to be added. If it
+does not match, the response code will be `409`.
+
+```json
+{
+  "id": 5,
+  "iid": 5,
+  "project_id": 1,
+  "title": "Approvals API",
+  "description": "Test",
+  "state": "opened",
+  "created_at": "2016-06-08T00:19:52.638Z",
+  "updated_at": "2016-06-09T21:32:14.105Z",
+  "merge_status": "can_be_merged",
+  "approvals_required": 2,
+  "approvals_left": 0,
+  "approved_by": [
+    {
+      "user": {
+        "name": "Administrator",
+        "username": "root",
+        "id": 1,
+        "state": "active",
+        "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon",
+        "web_url": "http://localhost:3000/root"
+      }
+    },
+    {
+      "user": {
+        "name": "Nico Cartwright",
+        "username": "ryley",
+        "id": 2,
+        "state": "active",
+        "avatar_url": "http://www.gravatar.com/avatar/cf7ad14b34162a76d593e3affca2adca?s=80\u0026d=identicon",
+        "web_url": "http://localhost:3000/ryley"
+      }
+    }
+  ],
+}
+```
+
+## Unapprove Merge Request
+
+>**Note:** This API endpoint is only available on 9.0 Starter and above.
+
+If you did approve a merge request, you can unapprove it using the following
+endpoint:
+
+```
+POST /projects/:id/merge_requests/:merge_request_iid/unapprove
+```
+
+**Parameters:**
+
+| Attribute           | Type    | Required | Description         |
+|---------------------|---------|----------|---------------------|
+| `id`                | integer | yes      | The ID of a project |
+| `merge_request_iid` | integer | yes      | The IID of MR       |