diff --git a/ASCENT_GUIDANCE.s b/ASCENT_GUIDANCE.s
index d59444b..e3f8fbc 100644
--- a/ASCENT_GUIDANCE.s
+++ b/ASCENT_GUIDANCE.s
@@ -357,7 +357,7 @@ ASCTERM		EXIT
 		CALL
 			FINDCDUW -2
 ASCTERM1	EXIT
- +1		CA	FLAGWRD9	# INSURE THAT THE NOUN 63 DISPLAY IS
+ +1		CA	FLAGWRD9	# ENSURE THAT THE NOUN 63 DISPLAY IS
  		MASK	FLRCSBIT	# BYPASSED IF WE ARE IN THE RCS TRIMMING
 		CCS	A		# MODE OF OPERATION
 		TCF	ASCTERM3