README: tweaks.

README

@@ -11,13 +11,12 @@ Options:
  -c (gzip|bzip2|xz) 	Compression type for the squashfs/initramfs image.
  -k version		Kernel version to use.
  -o outfile		Output file name for the ISO image.
- -r rootdir		Rootfs directory.
  -s splash		Splash image file for isolinux.
  -v volname		ISO Volume name.
 
-NOTE: If -k not specified it will use $(uname -r) by default.
-NOTE: the first time it is executed a configuration file will be created at ~/mklive.conf.
-NOTE: It's assumed that void-mklive is run in a Void Linux system.
+* If -k not specified it will use $(uname -r) by default.
+* The first time it is executed a config file will be created (~/mklive.conf).
+* It's assumed that void-mklive is executed in a Void Linux system.
 
 Take a look at the configuration file (~/mklive.conf) to tweak some
 default parameters in the generated image.