<span class="nav-next"><?php next_post_link( '%link', __( 'Next <span class="meta-nav">→</span>', 'twentyeleven' ) ); ?></span>
</nav><!-- #nav-single -->
- <?php get_template_part( 'content', 'single' ); ?>
+ <?php get_template_part( 'content-single', get_post_format() ); ?>
<?php comments_template( '', true ); ?>