diff --git a/core/includes/common.inc b/core/includes/common.inc
index 5b7e67d5e4..26e5851c76 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -135,6 +135,8 @@
  *   \Drupal::translation()->formatByteSize($size, $langcode) instead.
  *
  * @see https://www.drupal.org/node/2999981
+ * @see \Drupal\Core\StringTranslation\TranslationInterface::formatByteSize()
+ * @see \Drupal\Core\StringTranslation\StringTranslationTrait::formatByteSize()
  */
 function format_size($size, $langcode = NULL) {
   @trigger_error('format_size() is deprecated in drupal:9.1.0 and is removed from drupal:10.0.0. Use \Drupal::translation()->formatByteSize($size, $langcode) instead. See https://www.drupal.org/node/2999981', E_USER_DEPRECATED);