diff --git a/tools/dlc3.c b/tools/dlc3.c
index 2259000..8c22ba1 100644
--- a/tools/dlc3.c
+++ b/tools/dlc3.c
@@ -75,7 +75,7 @@ struct parameters {
 static struct parameters parse_args(int argc, char *argv[])
 {
     static const char *usage =
-        "Usage: %s [in_file] [wav_file]\n"
+        "Usage: %s [wav_file] [out_file]\n"
         "\n"
         "wav_file\t"  "Input wave file, stdin if omitted\n"
         "out_file\t"  "Output bitstream file, stdout if omitted\n"