How do I change the default text “Search entire store here” in the Search box?

app>design>frontend>default>default>template>catalogsearch>form.mini.phtml

//<![CDATA[
            var searchForm = new Varien.searchForm('search_mini_form', 'search', '<?php echo $this->__('Search entire store here...') ?>');
            searchForm.initAutocomplete('<?php echo $this->helper('catalogsearch')->getSuggestUrl() ?>', 'search_autocomplete');
        //]]>