diff --git a/src/wp-admin/edit-tag-form.php b/src/wp-admin/edit-tag-form.php
index 9208bd19eb..6a4500b565 100644
--- a/src/wp-admin/edit-tag-form.php
+++ b/src/wp-admin/edit-tag-form.php
@@ -107,6 +107,8 @@ wp_nonce_field( 'update-tag_' . $term_id );
  *
  * At this point, the required hidden fields and nonces have already been output.
  *
+ * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug.
+ *
  * @since 4.5.0
  *
  * @param object $tag      Current taxonomy term object.