Piwik\Plugins\Actions\Reports\GetEntryPageTitles::getMetricsDocumentation PHP Method

    protected function getMetricsDocumentation()
    {
        $metrics = parent::getMetricsDocumentation();
        $metrics['bounce_rate'] = Piwik::translate('General_ColumnPageBounceRateDocumentation');
        // remove these metrics from API.getProcessedReport version of this report
        unset($metrics['avg_time_on_page']);
        unset($metrics['exit_rate']);
        return $metrics;
    }