better explanation for the *.so symlinks in /usr/lib

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1660 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/ncurses-exp.xml

@@ -21,9 +21,10 @@ programs try to link using -lcurses instead of -lncurses.  This symlink
 ensures that such programs will link without errors.</para>
 
 <para><userinput>ln -sf ../../lib/libncurses.so etc:</userinput> These
-symlinks are created so the linker will use the dynamic versions of these
-libraries instead of the static ones, which happens if the linker can't
-find the dynamic versions.</para>
+symlinks are created to tidy up the installation. It's good practise to
+have the *.so files in /usr/lib as well as in /lib, to ensure that the
+linker is always able to find the files whether it's looking in /lib or
+/usr/lib.</para>
 
 </sect2>