diff --git a/content/ardupilot/reverse-thrust.md b/content/ardupilot/reverse-thrust.md
index 022e525..22f99d3 100644
--- a/content/ardupilot/reverse-thrust.md
+++ b/content/ardupilot/reverse-thrust.md
@@ -4,7 +4,7 @@ To set up reverse thrust (for higher braking when landing, for example), follow
 
 - [ ] Set your BLHeli-compatible ESC to "Reversible soft" and make sure you're using DShot.
 - [ ] Set `THR_MIN=-100`.
-- [ ] Set `SERVO_BLH_REMASK=1` (or whatever channel your motor is on).
+- [ ] Set `SERVO_BLH_RVMASK=1` (or whatever channel your motor is on).
 - [ ] Set `RC9_OPTION=64` for the reversing switch on channel 9 (or whatever channel you want).
 - [ ] Set `USE_REV_THRUST=0` to disable reverse thrust on all auto modes.
 
@@ -16,6 +16,6 @@ Be careful not to stall or otherwise hurt your craft, I don't recommend going ov
 * * *
 
 <p style="font-size:80%; font-style: italic">
-Last updated on September 07, 2021. For any questions/feedback,
+Last updated on December 31, 2021. For any questions/feedback,
 email me at <a href="mailto:hi@stavros.io">hi@stavros.io</a>.
 </p>