diff --git a/Python_script/VNA_dummy.py b/Python_script/VNA_dummy.py
index 87332210ec2c6b253f4b5fb6c0718195e593f9c5..af54446b2b78e96730eefc174a15036bacc68742 100644
--- a/Python_script/VNA_dummy.py
+++ b/Python_script/VNA_dummy.py
@@ -105,6 +105,7 @@ class VnaDummy:
         return measurment_string[:-1]
 
     def get_list_of_measurement_values(self, trace, result_format):
+        # get measurement string converted in list
         measurements = self.get_measurement_string(trace, result_format)
         result = []
         for x in measurements.split(',')[10:]: