diff --git a/Installation-and-Upgrade.md b/Installation-and-Upgrade.md
index 7722e49..632faa4 100644
--- a/Installation-and-Upgrade.md
+++ b/Installation-and-Upgrade.md
@@ -20,8 +20,8 @@ Pick the correct folder for your device, and copy it to the **luma** folder.
 1. If you're upgrading from 3.9 or older, move the contents of `SD:/rei/` to `SD:/luma/`
 1. If, instead, you're upgrading from 3.10 or newer, 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)
+1. _(Optional)_ Rename your `<button>.bin` to `<button>_<payloadname>.bin` (e.g. y_uncart.bin)
+1. _(Optional)_ Rename your `default.bin` to `start_<payloadname>.bin` (e.g. start_d9.bin)
 1. Boot.
 1. Reconfigure.
 
@@ -29,8 +29,8 @@ Pick the correct folder for your device, and copy it to the **luma** folder.
 
 1. Follow the Installation section on this page
 1. Move the contents of `SD:/aurei/` to `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)
+1. _(Optional)_ Rename your `<button>.bin` to `<button>_<payloadname>.bin`. (e.g. y_uncart.bin)
+1. _(Optional)_ Rename your `default.bin` to `start_<payloadname>.bin`. (e.g. start_d9.bin)
 1. Boot.
 
 ## Upgrading from ARN 5.1.2 to Luma3DS
@@ -38,6 +38,11 @@ Pick the correct folder for your device, and copy it to the **luma** folder.
 1. Put the new files according to the image above, except for `luma` folder.
 1. Boot.
 
+## Upgrading from Luma3DS 5.3.1
+1. _(Optional)_ Rename your `sel_<payloadname>.bin` to `select_<payloadname>.bin`. (e.g. select_uncart.bin)
+1. _(Optional)_ Rename your `def_<payloadname>.bin` to `start_<payloadname>.bin`. (e.g. start_d9.bin)
+1. Boot.
+
 ---
 
 ## (Optional) Making Luma3DS work with an external boot manager