Index: wp-includes/class-walker-comment.php
===================================================================
--- wp-includes/class-walker-comment.php	(revision 38337)
+++ wp-includes/class-walker-comment.php	(working copy)
@@ -273,7 +273,16 @@
 		<?php endif; ?>
 		<div class="comment-author vcard">
 			<?php if ( 0 != $args['avatar_size'] ) echo get_avatar( $comment, $args['avatar_size'] ); ?>
-			<?php printf( __( '<cite class="fn">%s</cite> <span class="says">says:</span>' ), get_comment_author_link( $comment ) ); ?>
+			<?php
+				printf(
+					/* translators: %s: comment author link */
+					__( '%s <span class="says">says:</span>' ),
+					sprintf(
+						'<cite class="fn">%s</cite>',
+						get_comment_author_link( $comment )
+					)
+				);
+			?>
 		</div>
 		<?php if ( '0' == $comment->comment_approved ) : ?>
 		<em class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.' ) ?></em>
@@ -325,7 +334,16 @@
 				<footer class="comment-meta">
 					<div class="comment-author vcard">
 						<?php if ( 0 != $args['avatar_size'] ) echo get_avatar( $comment, $args['avatar_size'] ); ?>
-						<?php printf( __( '%s <span class="says">says:</span>' ), sprintf( '<b class="fn">%s</b>', get_comment_author_link( $comment ) ) ); ?>
+						<?php
+							printf(
+								/* translators: %s: comment author link */
+								__( '%s <span class="says">says:</span>' ),
+								sprintf(
+									'<b class="fn">%s</b>',
+									get_comment_author_link( $comment )
+								)
+							);
+						?>
 					</div><!-- .comment-author -->
 
 					<div class="comment-metadata">