diff --git a/obsw_tmtc_client.py b/obsw_tmtc_client.py
index b03ff384f407213f6e04220df0f858ba69434c67..53a090fdc280e18536bc7022863551bc7b8e0828 100755
--- a/obsw_tmtc_client.py
+++ b/obsw_tmtc_client.py
@@ -66,9 +66,8 @@ from test import obsw_pus_service_test
 from config import obsw_config as g
 from config.obsw_config import set_globals
 from tc.obsw_pus_tc_packer import create_total_tc_queue, pack_service_queue
-
-from obsw_user_code import command_preparation_hook
 from tc.obsw_pus_tc_base import PusTcInfo
+from obsw_user_code import command_preparation_hook
 
 from sendreceive.obsw_single_command_sender_receiver import SingleCommandSenderReceiver
 from sendreceive.obsw_sequential_sender_receiver import SequentialCommandSenderReceiver
diff --git a/obsw_user_code.py b/obsw_user_code.py
index 54534b8a52f645462f780e821207e581e2840806..332db1f0ecc955c6212ccabd12d54a2d7678d5c3 100644
--- a/obsw_user_code.py
+++ b/obsw_user_code.py
@@ -21,5 +21,6 @@ def command_preparation_hook() -> Tuple[bytearray, Union[None, PusTcInfo]]:
 def global_setup_hook():
     """
     Can be used to alter the global variables in a custom defined way.
+    For example, device specific com port can be set here.
     """
     pass