Update PX4 Firmware metadata Wed Feb 3 21:01:37 UTC 2021

src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml

@@ -5248,7 +5248,7 @@ Setting this parameter to 0 disables the filter</short_desc>
     </parameter>
     <parameter name="MPC_LAND_ALT1" default="10.0" type="FLOAT">
       <short_desc>Altitude for 1. step of slow landing (descend)</short_desc>
-      <long_desc>Below this altitude: - descending velocity gets limited to a value between "MPC_Z_VEL_MAX" and "MPC_LAND_SPEED" - horizontal velocity gets limited to a value between "MPC_VEL_MANUAL" and "MPC_LAND_VEL_XY" for a smooth descent and landing experience. Value needs to be higher than "MPC_LAND_ALT2"</long_desc>
+      <long_desc>Below this altitude: - descending velocity gets limited to a value between "MPC_Z_VEL_MAX_DN" and "MPC_LAND_SPEED" - horizontal velocity gets limited to a value between "MPC_VEL_MANUAL" and "MPC_LAND_VEL_XY" for a smooth descent and landing experience. Value needs to be higher than "MPC_LAND_ALT2"</long_desc>
       <min>0</min>
       <max>122</max>
       <unit>m</unit>