diff --git a/app/notify_client/__init__.py b/app/notify_client/__init__.py
index 9324ff7df..384c2ee3d 100644
--- a/app/notify_client/__init__.py
+++ b/app/notify_client/__init__.py
@@ -62,6 +62,7 @@ class NotifyAdminAPIClient(BaseAPIClient):
             arg = str(arg)
             if "get-login-gov-user" in arg or "user/email" in arg or "/activate" in arg:
                 still_signing_in = True
+        # TODO:  Update this once E2E tests are managed by a feature flag or some other main config option.
         if os.getenv("NOTIFY_E2E_TEST_EMAIL"):
             # allow end-to-end tests to skip check
             pass