Add explanation of "keys" field. (#9676)
Add explanation of "keys" field. (#9676)


rnaveiras/vault,hashicorp/vault,rnaveiras/vault,hashicorp/vault,hartsock/vault,hashicorp/vault,hartsock/vault,hartsock/vault,hashicorp/vault,hartsock/vault,rnaveiras/vault,rnaveiras/vault,rnaveiras/vault,hashicorp/vault,hashicorp/vault,hartsock/vault