... to Android 5.0.2.
The first is to accept the update in its OTA fashion (or sideload it if that's how you roll), then go about your business like the adult that you are.
The second is to stomp your feet, curse the almighty and consider starting a petition. Stifle that urge. For this is the update that comes before the updates to come. Everything in due time.
Thanks, Jonathan, for the pic!