diff --git a/README.md b/README.md
index e7e9a3b..d155b98 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # python-project-template
 
+python project template for me.
+
+Please refer to: [https://notes.kinoshita-lab.org/20240329134609-python%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88%E3%81%AE%E4%BD%9C%E3%82%8A%E6%96%B9](https://notes.kinoshita-lab.org/20240329134609-python%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88%E3%81%AE%E4%BD%9C%E3%82%8A%E6%96%B9)
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diff --git a/python-project-template/__init__.py b/python-project-template/__init__.py
index e69de29..0bf6094 100644
--- a/python-project-template/__init__.py
+++ b/python-project-template/__init__.py
@@ -0,0 +1,2 @@
+#
+# empty file