Index: wp-content/themes/twentyten/comments.php
===================================================================
--- wp-content/themes/twentyten/comments.php	(revision 14315)
+++ wp-content/themes/twentyten/comments.php	(working copy)
@@ -27,11 +27,10 @@
 ?>
 
 <?php if ( have_comments() ) : ?>
-			<h3 id="comments-title"><?php comments_number(
-				sprintf( __( 'No Responses to %s', 'twentyten' ), '<em>' . get_the_title() . '</em>' ),
-				sprintf( __( 'One Response to %s', 'twentyten' ), '<em>' . get_the_title() . '</em>' ),
-				sprintf( __( '%% Responses to %s', 'twentyten' ), '<em>' . get_the_title() . '</em>' )
-			); ?> </h3>
+			<h3 id="comments-title"><?php /* translators: 1: language string for the number of response(s), 2: post title */
+				printf( __( '%1$s to %2$s', 'twentyten' ),
+					sprintf( _n( 'One Response', '%s Responses', get_comments_number(), 'twentyten' ), number_format_i18n( get_comments_number() ) ), '<em>' . get_the_title() . '</em>'
+			); ?></h3>
 
 <?php if ( get_comment_pages_count() > 1 ) : // are there comments to navigate through ?>
 			<div class="navigation">