Update authentication.md (#9565)

minor grammar correction
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michael saenz 2018-07-18 16:50:04 -05:00 committed by k8s-ci-robot
parent edec8a8fb6
commit c4396fd117
1 changed files with 1 additions and 1 deletions

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@ -140,7 +140,7 @@ You must enable the Bootstrap Token Authenticator with the
`--experimental-bootstrap-token-auth` flag on the API Server. You must enable
the TokenCleaner controller via the `--controllers` flag on the Controller
Manager. This is done with something like `--controllers=*,tokencleaner`.
`kubeadm` will do this for you if you are using it to bootstrapping a cluster.
`kubeadm` will do this for you if you are using it to bootstrap a cluster.
The authenticator authenticates as `system:bootstrap:<Token ID>`. It is
included in the `system:bootstrappers` group. The naming and groups are