Fixed yes "" | make config explanation

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@437 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter05/kernel-exp.xml

@@ -3,12 +3,14 @@
 
 <para>
 <userinput>yes "" | make config:</userinput> This runs make config and
-answers "Y" to every question the config script asks the user. We're not
-configuring the real kernel here, we just need to have some sort of
-configure file created so that we can run make dep next that will create
-a few files in $LFS/usr/src/linux/include/linux, like version.h, among
-others, that we will need to compile Glibc and other packages later in
-chroot.
+answers with the default answer to every question the config script asks 
+the user (it does this by simply doing the equivalent of hitting the
+Enter key, thus accepting the default Y and N answers to the questions). 
+We're not configuring the real kernel here, we just need to have some sort 
+of configure file created so that we can run make dep next that will 
+create a few files in $LFS/usr/src/linux/include/linux, like version.h, 
+among others, that we will need to compile Glibc and other packages later 
+in chroot.
 </para>
 
 <para>