diff --git a/tests/app/models/test_contact_list.py b/tests/app/models/test_contact_list.py
index 99ce7d3fb..95a93126c 100644
--- a/tests/app/models/test_contact_list.py
+++ b/tests/app/models/test_contact_list.py
@@ -13,6 +13,8 @@ def test_created_at():
 def test_get_jobs(mock_get_jobs):
     contact_list = ContactList({'id': 'a', 'service_id': 'b'})
     assert isinstance(contact_list.get_jobs(page=123), PaginatedJobs)
+    # mock_get_jobs mocks the underlying API client method, not
+    # contact_list.get_jobs
     mock_get_jobs.assert_called_once_with(
         'b',
         contact_list_id='a',