update docs, add missing overwrite option in -h

2 files changed, 3 insertions, 4 deletions

diff --git a/README.md b/README.md
index 1a0c1b4..c470a92 100644
--- a/README.md
+++ b/README.md
@@ -22,13 +22,12 @@ allowed masks are:
 will create file: 
 `/tmp/msgs/2010/10-29/topic/id-05-40`
 
-**topic** having hierarchy structure gets further resolved to directory.
+Note: **topic**/s *having hierarchy structure gets further resolved to directory.*
 
 `--overwrite`
 
 Works only with `--fmask`. This options starts client in overwrite mode.
-
-**Caution:** The existing data files get overwritten with every messages received.
+*Caution: The existing data files get overwritten with every messages received.*
 
 
 Dependencies
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");