diff --git a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
index 2c2235c..3004cbf 100644
--- a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
+++ b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
@@ -1164,7 +1164,7 @@
     </parameter>
     <parameter name="COM_DISARM_PRFLT" default="10.0" type="FLOAT">
       <short_desc>Time-out for auto disarm if not taking off</short_desc>
-      <long_desc>A non-zero, positive value specifies the time in seconds, within which the vehicle is expected to take off after arming. In case the vehicle didn't takeoff within the timout it disamrs again. A negative value disables autmoatic disarming triggered by a pre-takeoff timeout.</long_desc>
+      <long_desc>A non-zero, positive value specifies the time in seconds, within which the vehicle is expected to take off after arming. In case the vehicle didn't takeoff within the timeout it disarms again. A negative value disables autmoatic disarming triggered by a pre-takeoff timeout.</long_desc>
       <unit>s</unit>
       <decimal>2</decimal>
     </parameter>