Index: twentyten/functions.php
===================================================================
--- twentyten/functions.php	(révision 913)
+++ twentyten/functions.php	(révision 914)
@@ -448,7 +448,7 @@
 		),
 		sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s">%3$s</a></span>',
 			get_author_posts_url( get_the_author_meta( 'ID' ) ),
-			sprintf( esc_attr__( 'View all posts by %s', 'twentyten' ), get_the_author() ),
+			sprintf( esc_attr__( 'View all posts by %s', 'twentyten' ), get_the_author_meta('display_name') ),
 			get_the_author()
 		)
 	);