correct help for --parallel

Author: mr-c

cwltool/argparser.py

@@ -22,9 +22,7 @@ def arg_parser():  # type: () -> argparse.ArgumentParser
                         help="Output directory, default current directory")
 
     parser.add_argument("--parallel", action="store_true", default=False,
-                        help="[experimental] Run jobs in parallel. "
-                             "Does not currently keep track of ResourceRequirements like the number of cores"
-                             "or memory and can overload this system")
+                        help="[experimental] Run jobs in parallel. ")
     envgroup = parser.add_mutually_exclusive_group()
     envgroup.add_argument("--preserve-environment", type=Text, action="append",
                         help="Preserve specific environment variable when "