diff --git a/bin/ls/util.c b/bin/ls/util.c
index 1f839c59d02..56339c8eeab 100644
--- a/bin/ls/util.c
+++ b/bin/ls/util.c
@@ -162,9 +162,9 @@ usage()
 {
 	(void)fprintf(stderr,
 #ifdef COLORLS
-	"usage: ls [-ACFGHLPRTWacdfgiklnoqrstu1]"
+	"usage: ls [-ABCFGHLPRTWabcdfgiklnoqrstu1]"
 #else
-	"usage: ls [-ACFHLPRTWacdfgiklnoqrstu1]"
+	"usage: ls [-ABCFHLPRTWabcdfgiklnoqrstu1]"
 #endif
 		      " [file ...]\n");
 	exit(1);