Further improvements to toolchain technical notes. Fixes #2461.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9026 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter05/toolchaintechnotes.xml

@@ -17,13 +17,12 @@
   to at any time during the process.</para>
 
   <para>The overall goal of <xref linkend="chapter-temporary-tools"/> is to
-  provide a temporary environment that can be chrooted into,
-  where a clean, trouble-free build of the target LFS system in <xref
-  linkend="chapter-building-system"/> can be produced. Along the way, we
-  separate the new system from the host system as much as possible, and in
-  doing so, build a self-contained and self-hosted toolchain. 
-  The build process has been designed to minimize the risks for new
-  readers and to provide the most educational value at the same time.</para>
+  produce a temporary area that contains a known-good set of tools that can be
+  isolated from the host system. By using <command>chroot</command>, the
+  commands in the remaining chapters will be contained within that environment,
+  ensuring a clean, trouble-free build of the target LFS system. The build
+  process has been designed to minimize the risks for new readers and to provide
+  the most educational value at the same time.</para>
 
   <important>
     <para>Before continuing, be aware of the name of the working platform,