Removed false statement regarding storage class objects (#42966)

* removed false statement regarding storage class objects

* Revert "removed false statement regarding storage class objects"

This reverts commit 915651b.

* rm false statement regarding storage class objects

Author: aswnrana

content/en/docs/concepts/storage/storage-classes.md

@@ -34,8 +34,7 @@ class needs to be dynamically provisioned.
 
 The name of a StorageClass object is significant, and is how users can
 request a particular class. Administrators set the name and other parameters
-of a class when first creating StorageClass objects, and the objects cannot
-be updated once they are created.
+of a class when first creating StorageClass objects.
 
 Administrators can specify a default StorageClass only for PVCs that don't
 request any particular class to bind to: see the