Fixed typo

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@668 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

HOWTO_EDIT

@@ -1,4 +1,4 @@
-ow to edit the LFS-BOOK
+How to edit the LFS-BOOK
 ------------------------
 
 This document explains the necessary steps to be taken in order to make