Plane: minor comment changes

ArduPlane/quadplane.cpp

@@ -707,7 +707,7 @@ bool QuadPlane::setup(void)
     pos_control->set_dt(loop_delta_t);
     attitude_control->parameter_sanity_check();
 
-    // setup the trim of any motors used by AP_Motors so px4io
+    // setup the trim of any motors used by AP_Motors so I/O board
     // failsafe will disable motors
     for (uint8_t i=0; i<8; i++) {
         SRV_Channel::Aux_servo_function_t func = SRV_Channels::get_motor_function(i);

ArduPlane/radio.cpp

@@ -45,7 +45,7 @@ void Plane::set_control_channels(void)
     }
 
     if (!quadplane.enable) {
-        // setup correct scaling for ESCs like the UAVCAN PX4ESC which
+        // setup correct scaling for ESCs like the UAVCAN ESCs which
         // take a proportion of speed. For quadplanes we use AP_Motors
         // scaling
         g2.servo_channels.set_esc_scaling_for(SRV_Channel::k_throttle);
@@ -84,7 +84,7 @@ void Plane::init_rc_out_main()
     SRV_Channels::set_failsafe_limit(SRV_Channel::k_throttle, SRV_Channel::SRV_CHANNEL_LIMIT_TRIM);
     SRV_Channels::set_failsafe_limit(SRV_Channel::k_rudder, SRV_Channel::SRV_CHANNEL_LIMIT_TRIM);
     
-    // setup PX4 to output the min throttle when safety off if arming
+    // setup flight controller to output the min throttle when safety off if arming
     // is setup for min on disarm
     if (arming.arming_required() == AP_Arming::Required::YES_MIN_PWM) {
         SRV_Channels::set_safety_limit(SRV_Channel::k_throttle, have_reverse_thrust()?SRV_Channel::SRV_CHANNEL_LIMIT_TRIM:SRV_Channel::SRV_CHANNEL_LIMIT_MIN);