diff --git a/src/google/adk/flows/llm_flows/_code_execution.py b/src/google/adk/flows/llm_flows/_code_execution.py
index d37e773c..b7c1e5b9 100644
--- a/src/google/adk/flows/llm_flows/_code_execution.py
+++ b/src/google/adk/flows/llm_flows/_code_execution.py
@@ -305,7 +305,7 @@ async def _run_post_processor(
         )
         event_actions.artifact_delta[file_name] = version
         part.inline_data = None
-        part.text = f'artifact: {file_name}'
+        part.text = f'Saved as artifact: {file_name}. '
 
     yield Event(
         invocation_id=invocation_context.invocation_id,
diff --git a/tests/unittests/flows/llm_flows/test_code_execution.py b/tests/unittests/flows/llm_flows/test_code_execution.py
index 4212e19a..9277c6bd 100644
--- a/tests/unittests/flows/llm_flows/test_code_execution.py
+++ b/tests/unittests/flows/llm_flows/test_code_execution.py
@@ -95,8 +95,13 @@ async def test_builtin_code_executor_image_artifact_creation(mock_datetime):
   assert not events[0].content
   assert llm_response.content is not None
   assert len(llm_response.content.parts) == 3
-  assert llm_response.content.parts[0].text == 'artifact: image_1.png'
+  assert (
+      llm_response.content.parts[0].text == 'Saved as artifact: image_1.png. '
+  )
   assert not llm_response.content.parts[0].inline_data
   assert llm_response.content.parts[1].text == 'this is text'
-  assert llm_response.content.parts[2].text == f'artifact: {expected_filename2}'
+  assert (
+      llm_response.content.parts[2].text
+      == f'Saved as artifact: {expected_filename2}. '
+  )
   assert not llm_response.content.parts[2].inline_data