[Schema Inaccuracy] Update a team and Update a team(legacy) endpoint doesn't accept admin as a permission

[notauserx]

Schema Inaccuracy

In the open API specs and docs

permission string
Deprecated. The permission that new repositories will be added to the team with when none is specified.

Default: pull

Can be one of pull, push, admin

but the admin value is not being accepted, I am getting an error response

{
  "message": "Setting team permission to admin is no longer supported",
  "documentation_url": "https://docs.github.com/rest/reference/teams/#update-a-team-legacy"
}

Expected

The docs and the open api specs should remove the admin value as one of the possible values.