diff --git a/tests/app/celery/test_nightly_tasks.py b/tests/app/celery/test_nightly_tasks.py
index 0599799e4..5224e3937 100644
--- a/tests/app/celery/test_nightly_tasks.py
+++ b/tests/app/celery/test_nightly_tasks.py
@@ -287,7 +287,7 @@ def test_delete_notifications_task_calls_task_for_services_that_have_sent_notifi
     nothing_to_delete_sms_template = create_template(service_nothing_to_delete, template_type='sms')
     nothing_to_delete_email_template = create_template(service_nothing_to_delete, template_type='email')
 
-    # will be deleted as service has no custom retention, but past our default 7 days
+    # will be deleted as service has no custom retention, but past our default retention period
     create_notification(service_will_delete_1.templates[0], created_at=datetime.now() - timedelta(days=8))
     create_notification(service_will_delete_2.templates[0], created_at=datetime.now() - timedelta(days=8))
 
diff --git a/tests/app/inbound_sms/test_rest.py b/tests/app/inbound_sms/test_rest.py
index 0b7cd71f2..f4fb4ff1e 100644
--- a/tests/app/inbound_sms/test_rest.py
+++ b/tests/app/inbound_sms/test_rest.py
@@ -96,7 +96,7 @@ def test_post_to_get_inbound_sms_allows_badly_formatted_number(admin_request, sa
 
 
 @freeze_time('Monday 10th April 2017 12:00')
-def test_post_to_get_most_recent_inbound_sms_for_service_limits_to_a_week(admin_request, sample_service):
+def test_post_to_get_most_recent_inbound_sms_for_service_limits_to_retention_period(admin_request, sample_service):
     create_inbound_sms(sample_service, created_at=datetime(2017, 4, 3, 3, 59))
     returned_inbound = create_inbound_sms(sample_service, created_at=datetime(2017, 4, 3, 4, 30))