diff --git a/src/wp-includes/general-template.php b/src/wp-includes/general-template.php
index a26f832832..58862b392a 100644
--- a/src/wp-includes/general-template.php
+++ b/src/wp-includes/general-template.php
@@ -2462,6 +2462,7 @@ function delete_get_calendar_cache() {
  * attributes are supported. As well as any plugins which want to display it.
  *
  * @since 1.0.1
+ * @since 4.4.0 No longer used in core.
  *
  * @global array $allowedtags
  *