diff --git a/_tips/developing.ja.md b/_tips/developing.ja.md
index 9d755bb..d09ee99 100644
--- a/_tips/developing.ja.md
+++ b/_tips/developing.ja.md
@@ -476,7 +476,7 @@ footer: >
 {:/}
 
 ~~~html
-<nav aria-label="Main Navigation" role="navigation">
+<nav aria-label="主たるナビゲーション" role="navigation">
   <ul>
     <li><a href="...">ホーム</a></li>
     <li><a href="...">ショップ</a></li>