diff --git a/backend/DefibrillatorFunctionV2.cs b/backend/DefibrillatorFunctionV2.cs
index ae532f6..ded7cad 100644
--- a/backend/DefibrillatorFunctionV2.cs
+++ b/backend/DefibrillatorFunctionV2.cs
@@ -169,6 +169,7 @@ private static Node CreateNode(DefibrillatorRequestV2 request)
                     "operator", request.Operator
                 },
                 {
+                    // Ensure no values are not set anymore, i.e. by older versions of the app
                     "access", request.Access == "no" ? null : request.Access
                 },
                 {