Typo fixes.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@321 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

preface/whoread.xml

@@ -2,13 +2,13 @@
 <title>Who would want to read this book</title>
 
 <para>
-This book is intended for Linux users who want to setup their own custom
-build Linux system. Reasons for wanting to build such a system are
+This book is intended for Linux users who want to setup their own
+custom-built Linux system. Reasons for wanting to build such a system are
 diverse. Perhaps you want to get into more detail as to what
 happens behind the scenes. Perhaps you are fed up with distributions
 which are often bloated or perhaps you don't want to rely on pre-compiled
 binaries due to security concerns. There are many reasons why you may want 
-a custom build system, but if you are one of them, this book is meant
+a custom-built system, but if you are one of them, this book is meant
 for you.
 </para>
 
@@ -17,10 +17,10 @@ The fruits of building your own system are plentiful, but the labour may
 be hard. You have a long way ahead of you but in the end you will be
 able to call yourself the proud owner of your own Linux system,
 completely tailored after your needs. You dictate the layout of
-bootscripts, the file system hierarchy , which programs are installed in
-which directory, which versions of software to use and more. Perhaps the
-most important reason is that you know exactly what is installed where
-why and how.
+bootscripts, the file system hierarchy, which programs are installed in
+which directory, which versions of software to use, and more. Perhaps the
+most important reason is that you know exactly what is installed where,
+why, and how.
 </para>