Here's the Motorola's changelog for this update
- Android Security : Includes the updates of Android security patches until May 1st 2017
- Moto Mods™: Updates the Moto Mods platform to the version 1.6.
Motorola’s instructions explain that for a successful installation, the battery in your phone should be at least 50% charged and your device should be connected to a Wi-Fi network or LTE.
If you haven't got the notification of this new software update yet, Just go to Settings - About Phone - Software updates, and It will automatically start downloading the latest update. The update will take around 10-15 minutes to get Installed on your device.
Via: Motorola | Motorola-Fans