Fix AuthenticationConfiguration docs around nested claims via CEL

Signed-off-by: Monis Khan <mok@microsoft.com>

staging/src/k8s.io/apiserver/pkg/apis/apiserver/v1alpha1/types.go

@@ -309,7 +309,7 @@ type ClaimValidationRule struct {
 	// CEL expressions have access to the contents of the token claims, organized into CEL variable:
 	// - 'claims' is a map of claim names to claim values.
 	//   For example, a variable named 'sub' can be accessed as 'claims.sub'.
-	//   Nested claims can be accessed using dot notation, e.g. 'claims.email.verified'.
+	//   Nested claims can be accessed using dot notation, e.g. 'claims.foo.bar'.
 	// Must return true for the validation to pass.
 	//
 	// Documentation on CEL: https://kubernetes.io/docs/reference/using-api/cel/
@@ -398,7 +398,7 @@ type PrefixedClaimOrExpression struct {
 	// CEL expressions have access to the contents of the token claims, organized into CEL variable:
 	// - 'claims' is a map of claim names to claim values.
 	//   For example, a variable named 'sub' can be accessed as 'claims.sub'.
-	//   Nested claims can be accessed using dot notation, e.g. 'claims.email.verified'.
+	//   Nested claims can be accessed using dot notation, e.g. 'claims.foo.bar'.
 	//
 	// Documentation on CEL: https://kubernetes.io/docs/reference/using-api/cel/
 	//
@@ -420,7 +420,7 @@ type ClaimOrExpression struct {
 	// CEL expressions have access to the contents of the token claims, organized into CEL variable:
 	// - 'claims' is a map of claim names to claim values.
 	//   For example, a variable named 'sub' can be accessed as 'claims.sub'.
-	//   Nested claims can be accessed using dot notation, e.g. 'claims.email.verified'.
+	//   Nested claims can be accessed using dot notation, e.g. 'claims.foo.bar'.
 	//
 	// Documentation on CEL: https://kubernetes.io/docs/reference/using-api/cel/
 	//
@@ -448,7 +448,7 @@ type ExtraMapping struct {
 	// CEL expressions have access to the contents of the token claims, organized into CEL variable:
 	// - 'claims' is a map of claim names to claim values.
 	//   For example, a variable named 'sub' can be accessed as 'claims.sub'.
-	//   Nested claims can be accessed using dot notation, e.g. 'claims.email.verified'.
+	//   Nested claims can be accessed using dot notation, e.g. 'claims.foo.bar'.
 	//
 	// Documentation on CEL: https://kubernetes.io/docs/reference/using-api/cel/
 	//