Merge pull request #37860 from derekwaynecarr/add-missing-doc

Automatic merge from submit-queue

Add documentation for FinalizerName

Fixes https://github.com/kubernetes/kubernetes.github.io/issues/1829

/cc @caesarxuchao

pkg/api/types.go

@@ -2694,6 +2694,7 @@ type NamespaceSpec struct {
 	Finalizers []FinalizerName
 }
 
+// FinalizerName is the name identifying a finalizer during namespace lifecycle.
 type FinalizerName string
 
 // These are internal finalizer values to Kubernetes, must be qualified name unless defined here