-currently have only sample implementation as a proof of concept. Environmental
-variable TEST_CASE='maintenance' needs to be used when executing
-"doctor_tests/main.py". Test case workflow can be seen in :numref:`figure-p3`.
+currently have only sample implementation as a proof of concept and we also
+support unofficial OpenStack project Fenix. Environment variable
+TEST_CASE='maintenance' needs to be used when executing "doctor_tests/main.py"
+and ADMIN_TOOL_TYPE='fenix' if want to test with Fenix instead of sample
+implementation. Test case workflow can be seen in :numref:`figure-p3`.