Add README for usage of online binary.

algo/base/Options.cxx

@@ -73,11 +73,11 @@ Options::Options(int argc, char** argv)
     ("log-file,L", po::value(&fLogFile)->value_name("<file>"),
       "write log messages to file")
     ("output-types,O", po::value(&fOutputTypes)->multitoken()->value_name("<types>"),
-      "comma seperated list of reconstruction output types (hit, digi, ...)")
+      "space seperated list of reconstruction output types (hit, digi, ...)")
     ("steps", po::value(&fRecoSteps)->multitoken()->default_value({Step::Unpack, Step::DigiTrigger, Step::LocalReco, Step::Tracking})->value_name("<steps>"),
-      "comma seperated list of reconstruction steps (upack, digitrigger, localreco, ...)")
+      "space seperated list of reconstruction steps (unpack, digitrigger, localreco, ...)")
     ("systems,s", po::value(&fDetectors)->multitoken()->default_value({Subsystem::STS, Subsystem::TOF, Subsystem::BMON, Subsystem::MUCH, Subsystem::RICH, Subsystem::TRD, Subsystem::TRD2D})->value_name("<detectors>"),
-      "comma seperated list of detectors to process (sts, mvd, ...)")
+      "space seperated list of detectors to process (sts, mvd, ...)")
     ("child-id,c", po::value(&fChildId)->default_value("00")->value_name("<id>"), "online process id on node")
     ("num-ts,n", po::value(&fNumTimeslices)->default_value(-1)->value_name("<num>"),
       "Stop after <num> timeslices (-1 = all)")