fix cmd line option

README.md

@@ -53,7 +53,7 @@ scriptor - A high-performance logger using unix/tcp sockets:
  --threads arg (=4) The number of producer threads
  --filelog_filename arg The filelog filename
  --filelog_max_file_mb arg (=10) The filelog max file size in MB
- --file_sink_max_files arg (=3) The filelog max files
+ --filelog_max_files arg (=3)  The filelog max files
  --filelog_level arg (=0) The filelog log level (0>=level<=5)
  --systemd_logging Enables logging to systemd (Linux only)
  --systemd_level arg (=0) The systemd log level (0>=level<=5)
@@ -62,6 +62,7 @@ scriptor - A high-performance logger using unix/tcp sockets:
  --eventlog_logging Enables logging to eventlog (Windows only)
  --eventlog_level arg (=0) The eventlog log level (0>=level<=5)
 ```
+You must either provide `socket_file` (unix socket) or `socket_address` (tcp socket).
 Logging to systemd and syslog is only available on Linux.
 Logging to EventLog is only available on Windows.
 

src/scriptor.cpp

@@ -69,7 +69,7 @@ run(int argc, char** argv)
  opt.file_sink_max_file_size,
  &opt.file_sink_max_file_size);
  op.add<popl::Value<std::size_t>>("",
- "file_sink_max_files",
+ "filelog_max_files",
  "The filelog max files",
  opt.file_sink_max_files,
  &opt.file_sink_max_files);