diff --git a/Installation-and-Upgrade.md b/Installation-and-Upgrade.md
index 3261f86..d155eed 100644
--- a/Installation-and-Upgrade.md
+++ b/Installation-and-Upgrade.md
@@ -18,6 +18,7 @@ Pick the correct folder for your device, and copy it to the **luma** folder.
 
 1. Follow the Installation section on this page
 1. _(Optional)_ If you're upgrading from 3.9 or older, move the contents of `SD:/rei/` to `SD:/luma/`
+1. _(Optional)_ If you're upgrading from 3.9 or newer to 5.2, move the contents of `SD:/aurei/` to `SD:/luma/`
 1. Remove anything other than "payloads" folder in `SD:/luma/`
 1. _(Optional)_ Rename your `<button>.bin` to `<button>_<name>.bin` (e.g. y_uncart.bin)
 1. _(Optional)_ Rename your `default.bin` to `def_<payloadname>.bin` (e.g. def_d9.bin)