diff --git a/src/dj.c b/src/dj.c
index 27c160a..d4462e8 100644
--- a/src/dj.c
+++ b/src/dj.c
@@ -303,7 +303,7 @@ parse(char *s){
 static int
 usage(void){
 
-	fprintf(stderr, "Usage: %s (-AdfHqQ) (-a [byte]) (-c [count])\n"
+	fprintf(stderr, "Usage: %s (-AHn) (-a [byte]) (-c [count])\n"
 		"\t(-i [input file]) (-b [input block size]) (-s [input offset])\n"
 		"\t(-o [output file]) (-B [output block size]) (-S [output offset])\n",
 		program_name);