diff --git a/pyulog/px4.py b/pyulog/px4.py
index 214200b..71490cd 100644
--- a/pyulog/px4.py
+++ b/pyulog/px4.py
@@ -43,8 +43,8 @@ def get_mav_type(self):
                 19: 'Two-rotor VTOL (Tailsitter)',
                 20: 'Quad-rotor VTOL (Tailsitter)',
                 21: 'Tiltrotor VTOL',
-                22: 'VTOL Standard', #VTOL reserved 2
-                23: 'VTOL reserved 3',
+                22: 'VTOL Standard',
+                23: 'VTOL Tailsitter',
                 24: 'VTOL reserved 4',
                 25: 'VTOL reserved 5',
                 26: 'Onboard Gimbal',