Clarify the kernel version needed.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11803 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter03/packages.xml

@@ -437,7 +437,8 @@
         <note>
           <para>The Linux kernel is updated relatively often, many times due to
           discoveries of security vulnerabilities.  The latest available
-          &linux-major-version;.&linux-minor-version;.x kernel version should be
+          <!--&linux-major-version;.&linux-minor-version;.x--> stable kernel 
+          version <!--should--> may be
           used, unless the errata page says otherwise.</para>
 
           <para>For users with limited speed or expensive bandwidth who wish to