diff --git a/ArduPlane/quadplane.cpp b/ArduPlane/quadplane.cpp
index 2809694fce..7217486133 100644
--- a/ArduPlane/quadplane.cpp
+++ b/ArduPlane/quadplane.cpp
@@ -310,7 +310,7 @@ const AP_Param::GroupInfo QuadPlane::var_info2[] = {
 
     // @Param: TRIM_PITCH
     // @DisplayName: Quadplane AHRS trim pitch
-    // @Description: This sets the compensation for the pitch angle trim difference between calibrated AHRS level and vertical flight pitch. NOTE! this is relative to calibrated AHRS trim, not forward flight trim which includes TRIM_PITCH. For tailsitters, this is relative to a baseline of 90 degrees in AHRS.
+    // @Description: This sets the compensation for the pitch angle trim difference between calibrated AHRS level and vertical flight pitch. NOTE! this is relative to calibrated AHRS trim, not forward flight trim which includes PTCH_TRIM_DEG. For tailsitters, this is relative to a baseline of 90 degrees in AHRS.
     // @Units: deg
     // @Range: -10 +10
     // @Increment: 0.1