[Plugin:WP Super Cache] Dynamic content

Hi!

In header I have Date- <?php echo date_i18n(‘l, j. F Y’); ?>

How can I make it dynamic so Super Cache won’t cache it, otherwise it show wrong date. I saw WP Super Cache FAQ dynamic-cache-test.php ( https://svn.wp-plugins.org/wp-super-cache/trunk/plugins/dynamic-cache-test.php ), but I just don’t understand it!

Can someone smart enough tell me the php so my date would be dynamic.
I would appreciate that very much! I’m searching days for solution.
I’m using Super Cache 1.4.2