diff --git a/documentation/ref-manual/varlocality.rst b/documentation/ref-manual/varlocality.rst
index e2c086ffa..706ed40ab 100644
--- a/documentation/ref-manual/varlocality.rst
+++ b/documentation/ref-manual/varlocality.rst
@@ -76,9 +76,11 @@ Local
 This section lists variables whose configuration context is the local
 configuration through the ``local.conf`` file.
 
--  :term:`DISTRO`
+-  :term:`DISTRO` (can also be set by the :ref:`ref-fragments-builtin-core-distro`
+   :term:`built-in fragment`)
 
--  :term:`MACHINE`
+-  :term:`MACHINE` (can also be set by the :ref:`ref-fragments-builtin-core-machine`
+   :term:`built-in fragment`)
 
 -  :term:`DL_DIR`