diff --git a/content/tutorial/nav.yml b/content/tutorial/nav.yml
index 0b824c6e8..b4dfbd35e 100644
--- a/content/tutorial/nav.yml
+++ b/content/tutorial/nav.yml
@@ -86,7 +86,7 @@
       forceInternal: true
       subitems:
         - id: storing-a-history-of-moves
-          title: Storing a History of Moves
+          title: 着手の履歴の保存
           href: /tutorial/tutorial.html#storing-a-history-of-moves
           forceInternal: true
         - id: lifting-state-up-again