functions.php

<?php 
function cr_custom_header_titles() {
if ( is_single() ) { ?>
		<h1 class="entry-title"><?php the_title(); ?></h1>
		<?php } else { ?>

		<h2 class="entry-title"><a href="<?php the_permalink(); ?>" title="<?php echo esc_attr( sprintf( __('%s', 'crum'), the_title_attribute('echo=0') ) ); ?>" rel="bookmark"><?php the_title(); ?></a></h2>
		<?php }
}

function 153_change_custom_post_title(){
    remove_action('reactor_post_header', 'reactor_do_standard_header_titles', 2);
    add_action('reactor_post_header', 'cr_custom_header_titles', 2);
}
add_action('init', 153_change_custom_post_title', 1);

put some element under post title