update docs, add missing overwrite option in -h

1 files changed, 1 insertions, 1 deletions

diff --git a/sub_client.c b/sub_client.c
index f2da82f..a64a9b6 100644
--- a/sub_client.c
+++ b/sub_client.c
@@ -491,7 +491,7 @@ void print_usage(void)
 	printf("                     [-i id] [-I id_prefix]\n");
 	printf("                     [-d] [-N] [--quiet] [-v]\n");
 	printf("                     [-u username [-P password]]\n");
-	printf("                     [--fmask outfile]\n");
+	printf("                     [--fmask outfile [--overwrite]]\n");
 	printf("                     [--will-topic [--will-payload payload] [--will-qos qos] [--will-retain]]\n");
 #ifdef WITH_TLS
 	printf("                     [{--cafile file | --capath dir} [--cert file] [--key file]\n");