Translate "read more"

hy,

please tell me which file I have to edit for translate the “read more”? because in the index.php I have just this:
`<?php
/*
This theme is Copyright (C) 2008-2010 Andrew Powers, PageLines.com (andrew AT pagelines DOT com)

Licensed under the terms of GPL.

*/

setup_pagelines_template();`

thanks a lot!