diff --git a/examples/helloworld/__main__.py b/examples/helloworld/__main__.py
index ac6cca7d..abf8fbdf 100644
--- a/examples/helloworld/__main__.py
+++ b/examples/helloworld/__main__.py
@@ -27,7 +27,9 @@
         version='1.0.0',
         defaultInputModes=['text'],
         defaultOutputModes=['text'],
-        capabilities=AgentCapabilities(),
+        capabilities=AgentCapabilities(
+            streaming=True,  # enable streaming mode
+        ),
         skills=[skill],
         authentication=AgentAuthentication(schemes=['public']),
     )
diff --git a/examples/helloworld/test_client.py b/examples/helloworld/test_client.py
index 0ade8d2a..2de745aa 100644
--- a/examples/helloworld/test_client.py
+++ b/examples/helloworld/test_client.py
@@ -34,6 +34,7 @@ async def main() -> None:
             params=MessageSendParams(**send_message_payload)
         )
 
+        # if you want to stream the response, please make sure to set streaming=True in the agent card (__main__.py)
         stream_response = client.send_message_streaming(streaming_request)
         async for chunk in stream_response:
             print(chunk.model_dump(mode='json', exclude_none=True))