diff --git a/ROMFS/px4fmu_common/init.d/rc.mc_apps b/ROMFS/px4fmu_common/init.d/rc.mc_apps
index fa03629267..3f8b17e2aa 100644
--- a/ROMFS/px4fmu_common/init.d/rc.mc_apps
+++ b/ROMFS/px4fmu_common/init.d/rc.mc_apps
@@ -20,7 +20,7 @@ fi
 if param compare SYS_MC_EST_GROUP 1
 then
 	# Try to start LPE. If it fails, start EKF2 as a default
-	# Unfortunately we do not build it on px4fmu-v2 duo to a limited flash.
+	# Unfortunately we do not build it on px4fmu-v2 due to a limited flash.
 	if attitude_estimator_q start
 	then
 		local_position_estimator start