minor rewords in the beginning of chap 7

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11966 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter07/changingowner.xml

@@ -21,8 +21,8 @@
   <para>Currently, the whole directory hierarchy in <filename
   class="directory">$LFS</filename>
   is owned by the user <systemitem class="username">lfs</systemitem>, a user
-  that exists only on the host system. If the directories under <filename
-  class="directory">$LFS</filename> are kept as they are, the files are
+  that exists only on the host system. If the directories and files under <filename
+  class="directory">$LFS</filename> are kept as they are, they will be
   owned by a user ID without a corresponding account. This is dangerous because
   a user account created later could get this same user ID and would own all
   the files under <filename class="directory">$LFS</filename>, thus exposing

chapter07/chroot.xml

@@ -43,8 +43,8 @@
   (<filename class="directory">/</filename>) directory.</para>
 
   <para>Notice that <filename class="directory">/tools/bin</filename> is not
-  in the <envar>PATH</envar>. This means that a temporary tool will no longer be
-  used once its final version is installed. This occurs when the shell does not
+  in the <envar>PATH</envar>. This means that the cross toolchain will no longer be
+  used in the chroot environment. This occurs when the shell does not
   <quote>remember</quote> the locations of executed binaries&mdash;for this
   reason, hashing is switched off by passing the <parameter>+h</parameter> option
   to <command>bash</command>.</para>