diff --git a/wp-admin/includes/comment.php b/wp-admin/includes/comment.php
index 72a0b40e3b..311f669b54 100644
--- a/wp-admin/includes/comment.php
+++ b/wp-admin/includes/comment.php
@@ -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;