diff --git a/POWERED_FLIGHT_SUBROUTINES.s b/POWERED_FLIGHT_SUBROUTINES.s
index f81233e..0ae11f8 100644
--- a/POWERED_FLIGHT_SUBROUTINES.s
+++ b/POWERED_FLIGHT_SUBROUTINES.s
@@ -118,7 +118,7 @@ TR*GL**P	MASK	SIX		# MAKE IT EVEN AND SMALLER
 		TC	TEM2
 # Page 1367
 # *******************************************************************************************************
-# QUICTRIG, INTENDED FOR QUIDANCE CYCLE USE WHERE TIME IS CRITICAL, IS A MUCH FASTER VERSION OF CD*TR*GS.
+# QUICTRIG, INTENDED FOR GUIDANCE CYCLE USE WHERE TIME IS CRITICAL, IS A MUCH FASTER VERSION OF CD*TR*GS.
 # QUICTRIG COMPUTES AND STORES THE SINES AND COSINES OF THE 2'S COMPLEMENT ANGLES AT CDUSPOT, CDUSPOT +2,
 # AND CDUSPOT +4.  UNLIKE CD*TR*GS, QUICTRIG DOES NOT LEAVE THE 1'S COMPLEMENT VERSIONS OF THE ANGLES IN
 # CDUSPOT.  QUICTRIG'S EXECUTION TIME IS 4.1 MS;    THIS IS 10 TIMES AS FAST AS CD*TR*GS.    QUICTRIG MAY BE