Software Upgrade - S4 GPE - Android 5.1 LMY470.S008

I just received a notification of a system update for my Galaxy S4 i337M (Bell) running Danvdh's Google Play Edition ROM. It states...

Quote:

This software will upgrade your Samsung GS4 Google Play Edition to Android 5.1 ( LMY470.S008), which address the security vulnerability. To apply this update you must have at least 500MB free on your device

I googled around but have not seen any information regarding the S4 GPE receiving Android 5.1