diff --git a/Documentation/boards/sandbox.rst b/Documentation/boards/sandbox.rst
index 85a54e6..8b00093 100644
--- a/Documentation/boards/sandbox.rst
+++ b/Documentation/boards/sandbox.rst
@@ -57,3 +57,6 @@
   ``-y``, ``--yres <res>``
 
     Specify SDL height.
+
+To terminate barebox and return to the calling shell, the poweroff command is
+suitable.