Fix list formatting

Author: cmitu

docs/Running-ROMs-from-a-USB-drive.md

@@ -15,6 +15,7 @@ There are a number of ways you can achieve this, but the following method is des
 ### Format USB drive
 
 Either on linux, or on a PC, format the USB drive to FAT32 (used in this guide as it is the most compatible across different operating systems):
+
 *  [Instructions to format on Linux](https://ksearch.wordpress.com/2010/09/29/format-usb-in-linux/)
 *  [Instructions to format on Windows (various)](http://www.makeuseof.com/tag/format-large-hard-drive-fat-fat32/)
 *  [Instructions to format on OSX](http://qsee.custhelp.com/app/answers/detail/a_id/2560/~/mac%3A-how-to-format-a-flash-drive-to-fat32-in-mac-os-x)
@@ -131,4 +132,4 @@ UUID=E44B-FC4E  /home/pi/RetroPie      vfat    rw,exec,uid=pi,gid=pi,umask=022 0
 This must be a full restart, not just Emulationstation. When it boots up you should see any ROMs you previously had show up in Emulationstation.
 
 ### Transfer ROMs
-Now transfer ROMs either directly to the USB drive, or via any of the usual methods (aside from using the automatic USB copy, obviously!). Now that the USB drive is mounted directly to `home/pi/RetroPie`, every time this directory is accessed, you're actually accessing the USB drive.
+Now transfer ROMs either directly to the USB drive, or via any of the usual methods (aside from using the automatic USB copy, obviously!). Now that the USB drive is mounted directly to `home/pi/RetroPie`, every time this directory is accessed, you're actually accessing the USB drive.