There is a reason to cheer up if you hold any one of those two handset but you might probably need to wait for another days to get your phone updated. As of now the update is reportedly available for users in India and Brazil for Moto X Style and for Brazil users of Moto X 2nd Generation. This is because the update happens to be a country-wise roll-out and if the update is rolling out in your country, you will definitely receive the notification right on top of your notifications.
The new update brings lot of new features - The Doze mode, App Standby, App Permissions, App Links and lot more. We have listed top 10 Marshmallow features for you to consider why Marshmallow is for you. Android 6.0 Marshmallow is currently on not 1 % of devices [Check November 2015 Android distribution stats]
Source : Motorola Mobility