Index: src/wp-includes/comment-template.php
===================================================================
--- src/wp-includes/comment-template.php	(revision 31388)
+++ src/wp-includes/comment-template.php	(working copy)
@@ -1277,12 +1277,17 @@
 	$span = '<span class="screen-reader-text">';
 	$title = get_the_title();
 	$span_close = '</span>';
-	
+
 	$number = get_comments_number( $id );
-	
+
+
+	/* translators: 1: Opening span with a class, 2: title, 3: closing span */
 	if ( false === $zero ) $zero = sprintf( __( 'No Comments%1$s on %2$s%3$s' ), $span, $title, $span_close );
+	/* translators: 1: Opening span with a class, 2: title, 3: closing span */
 	if ( false === $one ) $one = sprintf( __( '1 Comment%1$s on %2$s%3$s' ), $span, $title, $span_close );
+	/* translators: 1: Opening span with a class, 2: title, 3: closing span, 4: number of comments */
 	if ( false === $more ) $more = sprintf( __( '%4$d Comments%1$s on %2$s%3$s' ), $span, $title, $span_close, $number );
+	/* translators: 1: Opening span with a class, 2: title, 3: closing span */
 	if ( false === $none ) $none = sprintf( __( 'Comments Off%1$s on %2$s%3$s' ), $span, $title, $span_close );
 
 	if ( 0 == $number && !comments_open() && !pings_open() ) {