diff --git a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
index 56c35d18b42deb6544738fa2cbeb05e40663f576..db6b0ed0e64051c0a0dd78e22715a54ef944e19d 100644
--- a/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
+++ b/src/FirmwarePlugin/PX4/PX4ParameterFactMetaData.xml
@@ -870,7 +870,7 @@ See COM_OBL_ACT and COM_OBL_RC_ACT to configure action
Horizontal position error threshold
- This is the horizontal position error (EPV) threshold that will trigger a failsafe. The default is appropriate for a multicopter. Can be increased for a fixed-wing.
+ This is the horizontal position error (EPH) threshold that will trigger a failsafe. The default is appropriate for a multicopter. Can be increased for a fixed-wing.
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