From 8b0e34370b3dd71a24660be4d3474d98f122d830 Mon Sep 17 00:00:00 2001
From: kenkoooo <kenkou.n@gmail.com>
Date: Sat, 28 Aug 2021 20:58:19 +0900
Subject: Fix an external link on using_the_aria-invalid_attribute/index.html
 (#2179)

---
 .../aria/aria_techniques/using_the_aria-invalid_attribute/index.html    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/files/ja/web/accessibility/aria/aria_techniques/using_the_aria-invalid_attribute/index.html b/files/ja/web/accessibility/aria/aria_techniques/using_the_aria-invalid_attribute/index.html
index f93a7c4fd0..3c6dedd029 100644
--- a/files/ja/web/accessibility/aria/aria_techniques/using_the_aria-invalid_attribute/index.html
+++ b/files/ja/web/accessibility/aria/aria_techniques/using_the_aria-invalid_attribute/index.html
@@ -96,7 +96,7 @@ translation_of: Web/Accessibility/ARIA/ARIA_Techniques/Using_the_aria-invalid_at
 
 <h4 id="Working_Examples" name="Working_Examples">動作する例</h4>
 
-<p><a class="external" href="http://www.oaa-accessibility.org/examplep/alert1/"><code>alert</code> ロールの例</a>（<code>aria-invalid</code> 属性を使用）</p>
+<p><a href="https://www.w3.org/WAI/WCAG21/working-examples/aria-invalid-data-format/">正しくない形式の値を強調するために aria-invalid を使ったフォームの例</a></p>
 
 <h3 id="Notes" name="Notes">注</h3>
 
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