Merge pull request #48862 from gyliu513/psp

Automatic merge from submit-queue

Correct the comment in PSP examples.

**What this PR does / why we need it**:

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
none
```

examples/podsecuritypolicy/rbac/bindings.yaml

@@ -31,7 +31,8 @@ roleRef:
    kind: ClusterRole
    name: restricted-psp-user
 ---
-# edit grants edit role to system:authenticated.
+# edit grants edit role to the groups
+# restricted and privileged.
 apiVersion: rbac.authorization.k8s.io/v1beta1
 kind: ClusterRoleBinding
 metadata: