diff --git a/apps/taskman/tests/test_flaw_model_integration.py b/apps/taskman/tests/test_flaw_model_integration.py
index 775e76c6f..6b421724a 100644
--- a/apps/taskman/tests/test_flaw_model_integration.py
+++ b/apps/taskman/tests/test_flaw_model_integration.py
@@ -129,6 +129,7 @@ def mock_create_or_update_task(self, flaw):
         assert response.status_code == 201
         assert sync_count == 1
 
+    # TODO no diff from serializer and especially no save
     def test_update_api(self, monkeypatch, auth_client, test_osidb_api_uri):
         sync_count = 0
 
diff --git a/osidb/serializer.py b/osidb/serializer.py
index 0a7d88cb9..51cc8e4c6 100644
--- a/osidb/serializer.py
+++ b/osidb/serializer.py
@@ -933,6 +933,7 @@ def update(self, instance, validated_data):
         # and validate if an important change were made forcing a sync when it is needed
         updated_instance = super().update(instance, validated_data)
         if JIRA_TASKMAN_AUTO_SYNC_FLAW:
+            # TODO no diff
             updated_instance.tasksync(jira_token=self.get_jira_token())
         return updated_instance