-INSTALLER_TYPE can be 'apex', 'fuel', 'joid' and 'local'(default). If you are
-not using OPNFV installers in this option, chose 'local'.
-INSPECTOR_TYPE can be specified either 'sample'(default) or 'congress'.
+You can see all the configurations with default values in sample configuration
+file `doctor.sample.conf`_. And you can also modify the file to meet your
+environment and then run the test.