diff --git a/courseA/ST_DTRAM.html b/courseA/ST_DTRAM.html
index 191b043..a582797 100644
--- a/courseA/ST_DTRAM.html
+++ b/courseA/ST_DTRAM.html
@@ -230,7 +230,7 @@
 
 <hr>
 <br>
-<a href="ST_DTRAM.html">【Closing】へ</a>
+<a href="./../Closing.html">【実験終了説明】へ</a>
 </body>
 
 <style>