readme: Improve short documentation and instructions

README.md

@@ -19,23 +19,26 @@ install it on that drive. Most modern distros know how to cope with external dri
 
 The reason this is useful for USB sticks is that most of them are a bit shit.
 Trying to run an operating system off a USB drive typically results in a corrupted drive pretty quickly
-(if you can get the system to install properly in the first place).
+(if you can get the system to install properly in the first place). The scripts and configuration files
+in this repository are made to address this by keeping changes to the system in RAM until shutdown and
+therefore lowering disk I/O.
 
 ## Installation
 
 You need the following:
 - Computer (duh)
-  - 8G of RAM or more
+  - ???G of RAM or more
   - Can boot off USB (most computers made after 2003)
-- USB stick (at least 8G)
+- USB stick (at least ???G)
 - Internet connection
+  - During the installation, roughly ??? will be downloaded.
 
 There are a couple manual steps to get started before the installer scripts can take over:
 - Set up a Void live medium
   - Download here: https://voidlinux.org/download/
     - The following instructions assume you downloaded the "base" image
   - Burn to CD/DVD or flash it to USB stick
-    - Windows should have a built-in thing for burning ISOs.
+    - Windows should have a built-in thing for burning ISOs to optical media.
     - You can use something like Win32DiskImager or Rufus for USB sticks.
       - This will delete what’s on the stick.
 - Boot into Void live and prepare things