diff --git a/src/wp-includes/class-walker-comment.php b/src/wp-includes/class-walker-comment.php
index eac430112e..92115714ad 100644
--- a/src/wp-includes/class-walker-comment.php
+++ b/src/wp-includes/class-walker-comment.php
@@ -301,7 +301,7 @@ class Walker_Comment extends Walker {
 		if ( $commenter['comment_author_email'] ) {
 			$moderation_note = __( 'Your comment is awaiting moderation.' );
 		} else {
-			$moderation_note = __( 'Your comment is awaiting moderation. This is a preview, your comment will be visible after it has been approved.' );
+			$moderation_note = __( 'Your comment is awaiting moderation. This is a preview; your comment will be visible after it has been approved.' );
 		}
 		?>
 		<<?php echo $tag; ?> <?php comment_class( $this->has_children ? 'parent' : '', $comment ); ?> id="comment-<?php comment_ID(); ?>">
@@ -399,7 +399,7 @@ class Walker_Comment extends Walker {
 		if ( $commenter['comment_author_email'] ) {
 			$moderation_note = __( 'Your comment is awaiting moderation.' );
 		} else {
-			$moderation_note = __( 'Your comment is awaiting moderation. This is a preview, your comment will be visible after it has been approved.' );
+			$moderation_note = __( 'Your comment is awaiting moderation. This is a preview; your comment will be visible after it has been approved.' );
 		}
 		?>
 		<<?php echo $tag; ?> id="comment-<?php comment_ID(); ?>" <?php comment_class( $this->has_children ? 'parent' : '', $comment ); ?>>