Index: src/wp-includes/comment-template.php
===================================================================
--- src/wp-includes/comment-template.php	(revision 31819)
+++ src/wp-includes/comment-template.php	(working copy)
@@ -1280,29 +1280,28 @@
 	global $wpcommentspopupfile, $wpcommentsjavascript;
 
 	$id = get_the_ID();
-	$span = '<span class="screen-reader-text">';
 	$title = get_the_title();
-	$span_close = '</span>';
-
 	$number = get_comments_number( $id );
 
 	if ( false === $zero ) {
-		/* translators: 1: Opening span tag with a class, 2: post title, 3: closing span tag */
-		$zero = sprintf( __( 'No Comments%1$s on %2$s%3$s' ), $span, $title, $span_close );
+		/* translators: %s: post title */
+		$zero = sprintf( __( 'No Comments<span class="screen-reader-text"> on %s</span>' ), $title );
 	}
+
 	if ( false === $one ) {
-		/* translators: 1: Opening span tag with a class, 2: post title, 3: closing span tag */
-		$one = sprintf( __( '1 Comment%1$s on %2$s%3$s' ), $span, $title, $span_close );
+		/* translators: %s: post title */
+		$one = sprintf( __( '1 Comment<span class="screen-reader-text"> on %s</span>' ), $title );
 	}
+
 	if ( false === $more ) {
-		/* translators: 1: Opening span tag with a class, 2: post title, 3: closing span tag, 4: number of comments */
-		$more = sprintf( _n( '%4$s Comment%1$s on %2$s%3$s', '%4$s Comments%1$s on %2$s%3$s', $number ),
-			$span, $title, $span_close, number_format_i18n( $number )
-		);
+		/* translators: 1: Number of comments 2: post title */
+		$more = _n( '%1$s Comment<span class="screen-reader-text"> on %2$s</span>', '%1$s Comments<span class="screen-reader-text"> on %2$s</span>', $number );
+		$more = sprintf( $more, number_format_i18n( $number ), $title );
 	}
+
 	if ( false === $none ) {
-		/* translators: 1: Opening span tag with a class, 2: post title, 3: closing span tag */
-		$none = sprintf( __( 'Comments Off%1$s on %2$s%3$s' ), $span, $title, $span_close );
+		/* translators: %s: post title */
+		$none = sprintf( __( 'Comments Off<span class="screen-reader-text"> on %s</span>' ), $title );
 	}
 
 	if ( 0 == $number && !comments_open() && !pings_open() ) {
