Index: wp-admin/includes/comment.php
===================================================================
--- wp-admin/includes/comment.php	(revision 23350)
+++ wp-admin/includes/comment.php	(working copy)
@@ -14,7 +14,7 @@
  *
  * @param string $comment_author Author of the comment
  * @param string $comment_date Date of the comment
- * @return mixed Comment ID on success.
+ * @return mixed Comment post ID on success.
  */
 function comment_exists($comment_author, $comment_date) {
 	global $wpdb;