Added authorship rel attribute to post author link

loop-search.php

@@ -14,7 +14,7 @@
 			<header>
 				<h2><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h2>
 				<time pubdate datetime="<?php the_time('c'); ?>"><?php printf(__('Posted on %s at %s.', 'roots'), get_the_time('l, F jS, Y'), get_the_time()); ?></time>
-				<p class="byline author vcard"><?php _e('Written by', 'roots'); ?> <span class="fn"><?php the_author(); ?></span></p>
+        <p class="byline author vcard"><?php _e('Written by', 'roots'); ?> <?php the_author_posts_link(); ?></p>
 			</header>
 			<div class="entry-content">
 				<?php the_excerpt(); ?>