- <pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_lastpostmodified('GMT'), false); ?></pubDate>
- <generator>http://wordpress.org/?v=<?php bloginfo_rss('version'); ?></generator>
- <language><?php echo get_option('rss_language'); ?></language>
+ <lastBuildDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_lastpostmodified('GMT'), false); ?></lastBuildDate>
+ <language><?php bloginfo_rss( 'language' ); ?></language>
+ <sy:updatePeriod><?php echo apply_filters( 'rss_update_period', 'hourly' ); ?></sy:updatePeriod>
+ <sy:updateFrequency><?php echo apply_filters( 'rss_update_frequency', '1' ); ?></sy:updateFrequency>