Amazon has now flicked the switch which makes the updated Kindle eBook edition of List of the Dead available for existing customers to download to their devices.
Regardless of whether you use a Kindle, tablet, or app, you can get the updated version by visiting the "Manage My Kindle" page for your Amazon region.
UK Customers: https://www.amazon.co.uk/myk
USA Customers: https://www.amazon.com/mn/dcw/myx.html
As stated in the previous post, the corrections are fairly minor but the update does add a short excerpt from the upcoming volume, The Ravening Deep.