You'll want to customize this page. Read the instructions at http://www.livejournal.com/doc/server/lj.customize.index.html for help.
to update the page. The only thing I see that might relate in there is the section about updating a language file.
Should I update it the normal way by creating it in my CVS local directory and syncing it over, or is there a different method for site pages like the main index?