diff --git a/src/openllm/utils/codegen.py b/src/openllm/utils/codegen.py
index b5a11b10..a1ad22a3 100644
--- a/src/openllm/utils/codegen.py
+++ b/src/openllm/utils/codegen.py
@@ -28,13 +28,14 @@ logger = logging.getLogger(__name__)
 
 
 def write_service(model_name: str, target_path: str, llm_fs: FS):
+    logger.debug("Generating service for %s to %s", model_name, target_path)
     service_file = Path(__file__).parent.parent / "_service.py"
     with open(service_file.__fspath__(), "rb") as f:
         node = ast.parse(f.read())
     generator = ServiceGenerator(model_name)
     generator.visit(node)
     llm_fs.writetext(
-        target_path, f"# GENERATED BY 'openllm build {model_name}'. DO NOT EDIT\n" + "".join(generator.result)
+        target_path, f"# GENERATED BY 'openllm bundle {model_name}'. DO NOT EDIT\n" + "".join(generator.result)
     )