the_author_meta

Hello all,

I am trying to get the author meta information to update the author page. By default, the author pages display:

Author Archive for username

I am using the k2 theme and the code to control this is in wp-content/themes/k2/app/display/theloop.php:
$page_head = sprintf( __('Author Archive for %s','k2_domain'), get_author_name( get_query_var('author') ) );

Now, I would like to add the URL information to this line so I make the following change:

$page_head = sprintf( __('Author Archive for %s %s','k2_domain'), get_author_name( get_query_var('author') ), get_the_author_meta('user_url') );

However, this does not display the URL and the function simply returns an empty string. I have set the URL for that user. I have tried different parameters for get_the_author_meta but they all return an empty string. I found the information about this function here.

How can I get the url to show up?