grammar fix

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1252 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter02/install.xml

@@ -74,7 +74,7 @@ immediately after you have installed it.</para>
 
 <para>There is one exception; the kernel source tree. Keep it around as you
 will need it later in this book when building a kernel. Nothing will use
-the kernel tree so it won't be in your way.</para>
+the kernel tree so the source tree won't be in your way.</para>
 
 </sect1>