diff --git a/Comanche055/RCS-CSM_DIGITAL_AUTOPILOT.s b/Comanche055/RCS-CSM_DIGITAL_AUTOPILOT.s
index 20a7872..31c55f6 100644
--- a/Comanche055/RCS-CSM_DIGITAL_AUTOPILOT.s
+++ b/Comanche055/RCS-CSM_DIGITAL_AUTOPILOT.s
@@ -295,7 +295,7 @@ TENTHSEK	TS	ATTSEC
 #	    ALSO IGNORE AUTOMATIC STEERING
 #	    SET = + BY
 #		1) INITIALIZATION PHASE OF AUTOPILOT
-#		2) OCCURANCE OF RHC COMMANDS
+#		2) OCCURRENCE OF RHC COMMANDS
 #		3) FREE MODE
 #		4) SWITCH OVER TO ATTITUDE HOLD FROM AUTO
 #		   WHILE DOING AUTOMATIC STEERING (IN THIS CASE