diff --git a/site/source/user-manual/upgrade-02/upgrade-kit.rst b/site/source/user-manual/upgrade-02/upgrade-kit.rst
index 2976a65..afc158a 100644
--- a/site/source/user-manual/upgrade-02/upgrade-kit.rst
+++ b/site/source/user-manual/upgrade-02/upgrade-kit.rst
@@ -20,6 +20,8 @@ Backing up
 
 If you're unsure how to do this - please follow `this <https://youtube.com/watch?v=_QJXgnE90ko>`_ guide.
 
+*Please don't use the microSD card we sent you as a backup device!*
+
 .. youtube:: _QJXgnE90ko
    :width: 100%