Update help output for aws auth
Update help output for aws auth

mgk/vault,hartsock/vault,quixoten/vault,joelthompson/vault,kingland/vault,rnaveiras/vault,Aloomaio/vault,kingland/vault,joelthompson/vault,rnaveiras/vault,kingland/vault,hartsock/vault,mgk/vault,Aloomaio/vault,hartsock/vault,hartsock/vault,joelthompson/vault,quixoten/vault,kingland/vault,hartsock/vault,rnaveiras/vault,hashicorp/vault,quixoten/vault,rnaveiras/vault,Aloomaio/vault,rnaveiras/vault,naunga/vault,hashicorp/vault,hashicorp/vault,mgk/vault,quixoten/vault,hashicorp/vault,hashicorp/vault,hashicorp/vault,Aloomaio/vault,joelthompson/vault,naunga/vault,kingland/vault,mgk/vault