diff --git a/timelaps/serializers.py b/timelaps/serializers.py
index 922d985..a22255a 100644
--- a/timelaps/serializers.py
+++ b/timelaps/serializers.py
@@ -36,5 +36,8 @@ class RelayPilotSerializer(serializers.ModelSerializer):
         model = Relay
         #fields = ('relay_start','relay_end','has_refuel','pilot_chrono','comment','team_pilot','race')
         fields = '__all__'
+        '''
+        To get linked elements référenced by a foreign key, use depth to adjust the depth of the request.
+        '''
         depth = 2
         
\ No newline at end of file
diff --git a/timelaps/views.py b/timelaps/views.py
index cf14d4f..82552d4 100644
--- a/timelaps/views.py
+++ b/timelaps/views.py
@@ -52,6 +52,10 @@ class ListTeamPilotView(generics.ListAPIView):
     serializer_class = TeamPilotSerializer
 
 class ListRelaysByRaceView(generics.ListAPIView):
+    '''
+    Getting the params from the url with the "self.kwargs.get" 
+    and filter with thoses in the relays relation
+    '''
     serializer_class = RelayPilotSerializer
     lookup_url_raceid = "raceid"
     lookup_url_teamid = "teamid"