diff --git a/tasks/create_http_task_with_token.py b/tasks/create_http_task_with_token.py
index 3205c18c6519..7320ede3a998 100644
--- a/tasks/create_http_task_with_token.py
+++ b/tasks/create_http_task_with_token.py
@@ -39,6 +39,7 @@ def create_http_task(project,
     # queue = 'my-queue'
     # location = 'us-central1'
     # url = 'https://example.com/task_handler'
+    # service_account_email = 'service-account@my-project-id.iam.gserviceaccount.com';
     # payload = 'hello'
 
     # Construct the fully qualified queue name.