diff --git a/backend/PythonClient/multirotor/airsim_application.py b/backend/PythonClient/multirotor/airsim_application.py
index 5e81a98bb..95b64b6fb 100644
--- a/backend/PythonClient/multirotor/airsim_application.py
+++ b/backend/PythonClient/multirotor/airsim_application.py
@@ -11,7 +11,9 @@
 class AirSimApplication:
     # Parent class for all airsim client side mission and monitors
     def __init__(self):
+        #implementation of the GCS service
         self.gcs = GCSStorageService('droneworld')
+
         self.circular_mission_names = {"FlyInCircle"}
         self.polygon_mission_names = {"FlyToPoints", "FlyToPointsGeo"}
         self.point_mission_names = {"FlyStraight"}
@@ -62,6 +64,7 @@ def save_report(self):
         pass
 
     def upload_to_gcs(self, file_name, content):
+        #uses the concrete of 
         self.gcs.uploadToService(file_name,content)