Update links in PAT docs

doc/user/profile/personal_access_tokens.md

@@ -4,11 +4,11 @@ type: concepts, howto
 
 # Personal access tokens
 
-> [Introduced][ce-3749] in GitLab 8.8.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/3749) in GitLab 8.8.
 
-If you're unable to use [OAuth2](../../api/oauth2.md), you can use a personal access token to authenticate with the [GitLab API][api].
+If you're unable to use [OAuth2](../../api/oauth2.md), you can use a personal access token to authenticate with the [GitLab API](../../api/README.md#personal-access-tokens).
 
-You can also use personal access tokens with Git to authenticate over HTTP or SSH. Personal access tokens are required when [Two-Factor Authentication (2FA)][2fa] is enabled. In both cases, you can authenticate with a token in place of your password.
+You can also use personal access tokens with Git to authenticate over HTTP or SSH. Personal access tokens are required when [Two-Factor Authentication (2FA)](../account/two_factor_authentication.md) is enabled. In both cases, you can authenticate with a token in place of your password.
 
 Personal access tokens expire on the date you define, at midnight UTC.
 
@@ -41,21 +41,14 @@ the following table.
 
 | Scope              | Introduced in | Description |
 | ------------------ | ------------- | ----------- |
-| `read_user`        | [GitLab 8.15](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/5951)   | Allows access to the read-only endpoints under `/users`. Essentially, any of the `GET` requests in the [Users API][users] are allowed. |
+| `read_user`        | [GitLab 8.15](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/5951)   | Allows access to the read-only endpoints under `/users`. Essentially, any of the `GET` requests in the [Users API](../../api/users.md) are allowed. |
 | `api`              | [GitLab 8.15](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/5951)   | Grants complete read/write access to the API, including all groups and projects, the container registry, and the package registry. |
-| `read_api`           | [GitLab 12.10](https://https://gitlab.com/gitlab-org/gitlab/-/merge_requests/28944)  | Grants read access to the API, including all groups and projects, the container registry, and the package registry. |
-| `read_registry`    | [GitLab 9.3](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/11845)   | Allows to read (pull) [container registry] images if a project is private and authorization is required. |
+| `read_api`           | [GitLab 12.10](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/28944)  | Grants read access to the API, including all groups and projects, the container registry, and the package registry. |
+| `read_registry`    | [GitLab 9.3](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/11845)   | Allows to read (pull) [container registry](../packages/container_registry/index.md) images if a project is private and authorization is required. |
 | `sudo`             | [GitLab 10.2](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/14838)  | Allows performing API actions as any user in the system (if the authenticated user is an admin). |
 | `read_repository`  | [GitLab 10.7](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/17894)  | Allows read-only access (pull) to the repository through `git clone`. |
 | `write_repository` | [GitLab 11.11](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/26021) | Allows read-write access (pull, push) to the repository through `git clone`. Required for accessing Git repositories over HTTP when 2FA is enabled. |
 
-[2fa]: ../account/two_factor_authentication.md
-[api]: ../../api/README.md
-[ce-3749]: https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/3749
-[container registry]: ../packages/container_registry/index.md
-[users]: ../../api/users.md
-[usage]: ../../api/README.md#personal-access-tokens
-
 <!-- ## Troubleshooting
 
 Include any troubleshooting steps that you can foresee. If you know beforehand what issues