updated explantion

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2052 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/kernel-exp.xml

@@ -18,9 +18,11 @@ after untarring.</para>
 class="symlink">include/asm</filename> symlink.</para>
 
 <para><userinput>mkdir /usr/include/asm</userinput>
-and <userinput>cp include/asm/* /usr/include/asm</userinput>:
+, <userinput>cp include/asm/* /usr/include/asm</userinput> and
+<userinput>cp include/asm-generic /usr/include</userinput>:
 This copies the platform-specific assembler kernel header files to
-<filename>/usr/include/asm</filename></para>
+<filename class="directory">/usr/include/asm</filename> and <filename
+class="directory">/usr/include/asm-generic</filename></para>
 
 <para><userinput>cp -R include/linux /usr/include</userinput>:
 This command copies the cross-platform kernel header files to