diff --git a/app/service/rest.py b/app/service/rest.py
index e06ebd8c0..91cf752af 100644
--- a/app/service/rest.py
+++ b/app/service/rest.py
@@ -226,7 +226,8 @@ def create_service():
     # unpack valid json into service object
     valid_service = Service.from_json(data)
 
-    # Grabbing flag from request object for default sms sender
+    # Grabbing flag from request object for default SMS sender.
+    # This will only be true in our tests now; the value will default to false in normal app usage.
     create_default_sms_sender = bool(
         request.args.get("create_default_sms_sender", False)
     )