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-rw-r--r--Documentation/user/updating.rst3
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diff --git a/Documentation/user/updating.rst b/Documentation/user/updating.rst
index 2a963b6200..6a1a73348c 100644
--- a/Documentation/user/updating.rst
+++ b/Documentation/user/updating.rst
@@ -27,3 +27,6 @@ barebox has been started from is registered as default (marked with a ``*``)::
available for your board. It is recommended to implement it, but you can also
update barebox manually using :ref:`command_erase` and :ref:`command_cp`
commands. The exact commands are board specific.
+
+**NOTE** barebox images can be enriched with metadata which can be used to check
+if a given image is suitable for updating barebox, see :ref:`imd`.