Update Docs To Add When Token Attribute Was Added

doc/api/project_access_tokens.md

@@ -82,7 +82,8 @@ curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/a
 
 ## Create a project access token
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55408) in GitLab 13.10.
+> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55408) in GitLab 13.10.
+> - The `token` attribute was [introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55408) in GitLab 13.10.
 
 Create a [project access token](../user/project/settings/project_access_tokens.md).