Clarify some explanations about the minimal directory layout in chap 4

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@12169 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter04/creatingminlayout.xml

@@ -12,7 +12,8 @@
 
   <para>The first task performed in the LFS partition is to create a limited
   directory hierarchy so that programs compiled in <xref
-  linkend="chapter-temporary-tools"/> may be installed in their final
+  linkend="chapter-temporary-tools"/> (as well as glibc and libstdc++ in <xref
+  linkend="chapter-cross-tools"/>) may be installed in their final
   location. This is needed so that those temporary programs be overwritten
   when rebuilding them in <xref linkend="chapter-building-system"/>.</para>
 

chapter05/libstdc++.xml

@@ -75,8 +75,9 @@ cd       build</userinput></screen>
       <varlistentry>
         <term><parameter>--host=...</parameter></term>
         <listitem>
-          <para>Specifies the use the cross compiler we have just built
-          instead of the one in <filename>/usr/bin</filename>.</para>
+          <para>Specifies that the cross compiler we have just built
+          should be used instead of the one in
+          <filename>/usr/bin</filename>.</para>
         </listitem>
       </varlistentry>