<h2><?php printf( esc_attr__( 'About %s', 'twentyten' ), get_the_author() ); ?></h2>
<?php the_author_meta( 'description' ); ?>
<div id="author-link">
- <a href="<?php echo get_author_posts_url( get_the_author_meta( 'ID' ) ); ?>">
+ <a href="<?php echo get_author_posts_url( get_the_author_meta( 'ID' ) ); ?>" rel="author">
<?php printf( __( 'View all posts by %s <span class="meta-nav">→</span>', 'twentyten' ), get_the_author() ); ?>
</a>
</div><!-- #author-link -->