diff --git a/bin/hyppopy_exe.py b/bin/hyppopy_exe.py
index 36f12f1..f9af847 100644
--- a/bin/hyppopy_exe.py
+++ b/bin/hyppopy_exe.py
@@ -1,90 +1,89 @@
 #!/usr/bin/env python
 #
 # DKFZ
 #
 #
 # Copyright (c) German Cancer Research Center,
 # Division of Medical and Biological Informatics.
 # All rights reserved.
 #
 # This software is distributed WITHOUT ANY WARRANTY; without
 # even the implied warranty of MERCHANTABILITY or FITNESS FOR
 # A PARTICULAR PURPOSE.
 #
 # See LICENSE.txt or http://www.mitk.org for details.
 #
 # Author: Sven Wanner (s.wanner@dkfz.de)
 
 import os
 import sys
 ROOT = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
 sys.path.append(ROOT)
 
 from hyppopy.projectmanager import ProjectManager
 from hyppopy.workflows.unet_usecase.unet_usecase import unet_usecase
 from hyppopy.workflows.svc_usecase.svc_usecase import svc_usecase
 from hyppopy.workflows.randomforest_usecase.randomforest_usecase import randomforest_usecase
 from hyppopy.workflows.imageregistration_usecase.imageregistration_usecase import imageregistration_usecase
 
 
 import os
 import sys
 import time
 import argparse
 
 
 def print_warning(msg):
     print("\n!!!!! WARNING !!!!!")
     print(msg)
     sys.exit()
 
 
 def args_check(args):
     if not args.workflow:
         print_warning("No workflow specified, check --help")
     if not args.config:
         print_warning("Missing config parameter, check --help")
     if not os.path.isfile(args.config):
         print_warning(f"Couldn't find configfile ({args.config}), please check your input --config")
 
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description='UNet Hyppopy UseCase Example Optimization.')
-    parser.add_argument('-w', '--workflow', type=str,
-                        help='workflow to be executed')
-    parser.add_argument('-o', '--output', type=str, default=None)
+    parser.add_argument('-w', '--workflow', type=str, help='workflow to be executed')
+    parser.add_argument('-o', '--output', type=str, default=None, help='output path to store result')
     parser.add_argument('-c', '--config', type=str, help='config filename, .xml or .json formats are supported.'
                                                          'pass a full path filename or the filename only if the'
                                                          'configfile is in the data folder')
 
     args = parser.parse_args()
     args_check(args)
 
     ProjectManager.read_config(args.config)
 
     if args.output is not None:
         ProjectManager.output_dir = args.output
 
     if args.workflow == "svc_usecase":
         uc = svc_usecase()
     elif args.workflow == "randomforest_usecase":
         uc = randomforest_usecase()
     elif args.workflow == "unet_usecase":
         uc = unet_usecase()
     elif args.workflow == "imageregistration_usecase":
         uc = imageregistration_usecase()
     else:
         print("No workflow called {} found!".format(args.workflow))
         sys.exit()
 
     print("\nStart optimization...")
     start = time.process_time()
     uc.run()
     end = time.process_time()
 
     print("Finished optimization!\n")
     print("Total Time: {}s\n".format(end-start))
     res, best = uc.get_results()
     print("---- Optimal Parameter -----\n")
     for p in best.items():
         print(" - {}\t:\t{}".format(p[0], p[1]))