-You can set environment variables to influence the behaviour of
-Hooke. The command to use is ``set_config``.
-
-You can alter permanently the behaviour of Hooke by setting these
-variables in a Hooke configuration file. See :doc:`config` for
-details.
+You can set environment variables to influence the behaviour of
+Hooke. The command to use is ``set_config``. Use ``get_config`` to
+read a particular option and ``print_config`` to display the entire
+configuration file. Any changes to the configuration will be saved
+when you exit Hooke, see :doc:`config` for details.