diff --git a/readme.md b/readme.md
index 3b723ce..0408130 100644
--- a/readme.md
+++ b/readme.md
@@ -1,2 +1,2 @@
-このリポジトリはnoteshubからアクセスするためのものです。
+このリポジトリはインターネットからアクセスするためのものです。
 公開用のため個人情報はアップロードしてはいけません。
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diff --git a/strudel/Strudel Making Sound.md b/strudel/doc/Strudel Making Sound.md
similarity index 100%
rename from strudel/Strudel Making Sound.md
rename to strudel/doc/Strudel Making Sound.md
diff --git a/strudel/Strudel Study.md b/strudel/doc/Strudel Study.md
similarity index 100%
rename from strudel/Strudel Study.md
rename to strudel/doc/Strudel Study.md
diff --git a/strudel/samples/readme.md b/strudel/samples/readme.md
new file mode 100644
index 0000000..3bf05a4
--- /dev/null
+++ b/strudel/samples/readme.md
@@ -0,0 +1 @@
+このフォルダはサンプル音の格納用です。
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diff --git a/strudel/samples/sample.md b/strudel/samples/sample.md
deleted file mode 100644
index 05431cb..0000000
--- a/strudel/samples/sample.md
+++ /dev/null
@@ -1 +0,0 @@
-strudel samples
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