man: trafgen: Minor fixes

Replace "on default" by "by default", make it a bit more clear what the
seed in the -E/--seed option is for and mention exit after display of
information on --version and --help.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 2 insertions, 2 deletions

diff --git a/flowtop.8 b/flowtop.8
index fd2393c..bd3c84e 100644
--- a/flowtop.8
+++ b/flowtop.8
@@ -82,10 +82,10 @@ limit policy), different hosts or IP addresses can be placed into geoip.conf,
 separated by a newline.
 
 .SS -v, --version
-Show versioning information.
+Show versioning information and exit.
 
 .SS -h, --help
-Show user help.
+Show user help and exit.
 
 .SH USAGE EXAMPLE