restoring-cfw: burguers suggestions

- explicit fat32 sd card warning
- force luma config on boot

_pages/en_US/restoring-updating-cfw.txt

@@ -8,6 +8,8 @@ title: "Restoring / Updating CFW"
 
 This page prepares consoles with an existing modern boot9strap installation for reinstallation and/or updating of custom firmware applications. It can also be used in the event of a lost or corrupted SD card.
 
+Your SD card must be formatted as FAT32 to follow this guide, or else the 3DS will be unable to recognize it. If your SD card is not yet properly formatted, use one of these pages to format it, depending on your operating system: [Windows](formatting-sd-(windows), [Mac](formatting-sd-(mac), [Linux](formatting-sd-(linux).
+
 ### What You Need
 * The latest release of [Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest)
 * The latest release of [GodMode9](https://github.com/d0k3/GodMode9/releases/latest)
@@ -26,7 +28,7 @@ This page prepares consoles with an existing modern boot9strap installation for
 
 #### Section II - Configuring Luma3DS
 
-1. Turn on your device
+1. Press and hold (Select), and while holding (Select), power on your device
 	* You should now see a Luma3DS configuration menu
 1. Use the (A) button and the D-Pad to turn on the following:
 	* **"Show NAND or user string in System Settings"**