If you purchased Legacy before or early on September 10, 2018, there is a manual update for your ebook file. The update takes care of some minor errors within the text (random underline, an extra word, etc). (Learn how by clicking “Read More.”)
How to Update: Option 1
How to Update: Option 2
Locate your “Manage Your Content and Devices” from your account page and follow steps 4-6 above.
How to Update: Kindle Unlimited Edition
If you have not returned your Kindle Unlimited borrow yet, the update will be automatic.
How to Update: Kindle Owner’s Lending Library Edition
Those that downloaded will not receive the update. (Sorry!) Amazon has not perfected this process yet.