- "usage: %s [OPTIONS] DATABASE\n"
- "where DATABASE is a socket on which ovsdb-server is listening.\n",
- program_name, program_name);
+ "usage: %s [OPTIONS] [DATABASE]\n"
+ "where DATABASE is a socket on which ovsdb-server is listening\n"
+ " (default: \"unix:%s/db.sock\").\n",
+ program_name, program_name, ovs_rundir());