diff --git a/src/wp-includes/l10n.php b/src/wp-includes/l10n.php
index 64c844a0fb..9a94c02750 100644
--- a/src/wp-includes/l10n.php
+++ b/src/wp-includes/l10n.php
@@ -1,9 +1,10 @@
 <?php
 /**
- * WordPress Translation API
+ * Core Translation API
  *
  * @package WordPress
  * @subpackage i18n
+ * @since 1.2.0
  */
 
 /**