diff --git a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
index cb31a62..5ec7c6e 100644
--- a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
+++ b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
@@ -922,7 +922,7 @@ Set -1 to disable the check</short_desc>
     </parameter>
     <parameter default="3" name="COM_LOW_BAT_ACT" type="INT32">
       <short_desc>Battery failsafe mode</short_desc>
-      <long_desc>Action the system takes at critical battery.</long_desc>
+      <long_desc>Action the system takes at critical battery. See also BAT_CRIT_THR and BAT_EMERGEN_THR for definition of battery states.</long_desc>
       <decimal>0</decimal>
       <increment>1</increment>
       <values>