diff --git a/src/wp-admin/includes/class-wp-comments-list-table.php b/src/wp-admin/includes/class-wp-comments-list-table.php
index d1d518240f..0d2d16eb8a 100644
--- a/src/wp-admin/includes/class-wp-comments-list-table.php
+++ b/src/wp-admin/includes/class-wp-comments-list-table.php
@@ -653,7 +653,9 @@ class WP_Comments_List_Table extends WP_List_Table {
 
 		if ( $this->user_can ) {
 			if ( ! empty( $comment->comment_author_email ) ) {
+				/* This filter is documented in wp-includes/comment-template.php */
 				$email = apply_filters( 'comment_email', $comment->comment_author_email, $comment );
+
 				if ( ! empty( $email ) && '@' !== $email ) {
 					printf( '<a href=\'mailto:%1$s\'>%1$s</a><br />', $email );
 				}