diff --git a/example/python/run.py b/example/python/run.py
index 04feef83e..922f4d3a5 100644
--- a/example/python/run.py
+++ b/example/python/run.py
@@ -16,6 +16,7 @@
 )
 
 
+# asyncやawaitは必須です。
 async def main() -> None:
     logging.basicConfig(format="[%(levelname)s] %(name)s: %(message)s")
     logger = logging.getLogger(__name__)