Index: src/wp-includes/pluggable.php
===================================================================
--- src/wp-includes/pluggable.php	(revision 32139)
+++ src/wp-includes/pluggable.php	(working copy)
@@ -1424,7 +1424,7 @@
 	switch ( $comment->comment_type ) {
 		case 'trackback':
 			$notify_message  = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n";
-			/* translators: 1: website name, 2: author IP, 3: author domain */
+			/* translators: 1: website name, 2: website IP, 3: website hostname */
 			$notify_message .= sprintf( __('Website: %1$s (IP: %2$s, %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
 			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
 			$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment->comment_content ) . "\r\n\r\n";
@@ -1434,7 +1434,7 @@
 			break;
 		case 'pingback':
 			$notify_message  = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n";
-			/* translators: 1: comment author, 2: author IP, 3: author domain */
+			/* translators: 1: website name, 2: website IP, 3: website hostname */
 			$notify_message .= sprintf( __('Website: %1$s (IP: %2$s, %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
 			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
 			$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment->comment_content ) . "\r\n\r\n";
@@ -1560,6 +1560,7 @@
 		case 'trackback':
 			$notify_message  = sprintf( __('A new trackback on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n";
 			$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
+			/* translators: 1: website name, 2: website IP, 3: website hostname */
 			$notify_message .= sprintf( __( 'Website: %1$s (IP: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
 			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
 			$notify_message .= __('Trackback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
@@ -1567,6 +1568,7 @@
 		case 'pingback':
 			$notify_message  = sprintf( __('A new pingback on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n";
 			$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
+			/* translators: 1: website name, 2: website IP, 3: website hostname */
 			$notify_message .= sprintf( __( 'Website: %1$s (IP: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
 			$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
 			$notify_message .= __('Pingback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";