add some notes

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@5017 57a11ea4-9604-0410-9ed3-97b8803252fd

src/optional/swig/examples/scan-acct.pl

@@ -4,8 +4,10 @@
 #
 # This file demonstrates how to open an acount file and print 
 # the names and balances of the top-level accounts in the file.
+# Its a pretty basic demo.
+# it also prints timing info, handing for performance measurement.
 #
-# use lib '../swig/perl5/';
+# use lib '/usr/lib/gnucash/';
 use lib '..';
 use gnucash;                                           
 package gnucash;