Several weeks ago many of us were testing 5.0.2 for Motorola on our Moto X's, and didn't know that others were testing 5.1 at the same time. Do to all the minor issues with 5.0.2, Motorola decided to skip 5.0 and go directly to 5.1. Good news for all the first gen Moto owners.
Link: http://www.androidpolice.com/2015/04/02/the-first-generation-moto-x-e-and-g-lte-will-all-skip-android-5-0-go-straight-to-5-1/
Link: http://www.androidpolice.com/2015/04/02/the-first-generation-moto-x-e-and-g-lte-will-all-skip-android-5-0-go-straight-to-5-1/