Changing badges to use parentheses not brackets

Previously, we used brackets to denote the tier badges,
but this made Kramdown, the docs site Markdown renderer,
show many warnings when building the site. This is now
fixed by using parentheses instead of square brackets.

This was caused by [PREMIUM] looking like a link to
Kramdown, which couldn't find a URL there.

See:
- https://gitlab.com/gitlab-com/gitlab-docs/merge_requests/484
- https://gitlab.com/gitlab-org/gitlab-ce/issues/63800

1 files changed, 2 insertions, 2 deletions

diff --git a/doc/api/merge_request_approvals.md b/doc/api/merge_request_approvals.md
index 49aaac06b46..504ce56f569 100644
--- a/doc/api/merge_request_approvals.md
+++ b/doc/api/merge_request_approvals.md
@@ -1,4 +1,4 @@
-# Merge request approvals API **[STARTER]**
+# Merge request approvals API **(STARTER)**
 
 Configuration for approvals on all Merge Requests (MR) in the project. Must be authenticated for all endpoints.
 
@@ -359,7 +359,7 @@ POST /projects/:id/merge_requests/:merge_request_iid/approve
 | `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. |
+| `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