How to Get Android 6.0.1 Right Now
If you can't wait for the OTA, know that you can download and install the Android 6.0.1 update right now provided you have the right set of instructions and some time to spare.
We've put together instructions that will take you through the download and installation process for the Nexus 5. It's a fairly easy process and once you get the hang of it, you'll be able to use it for any and all upcoming updates for the Nexus 5.
If you're new to the Nexus 5 and/or Android, it would be wise to take a look, even if you plan on waiting for the OTA.