diff --git a/target/docs/lib/DetectHiddenWindows.htm b/target/docs/lib/DetectHiddenWindows.htm
index 723b14e5..115ed4d3 100644
--- a/target/docs/lib/DetectHiddenWindows.htm
+++ b/target/docs/lib/DetectHiddenWindows.htm
@@ -21,8 +21,8 @@ <h2 id="Parameters">パラメータ</h2>
   <dt>Mode</dt>
   <dd>
     <p>型：<a href="../Concepts.htm#boolean">論理値</a></p>
-    <p>If <strong>true</strong>, hidden windows are detected.</p>
-    <p>If <strong>false</strong>, hidden windows are not detected, except by the <a href="WinShow.htm">WinShow</a> function.</p>
+    <p><strong>true</strong>のときは非表示ウィンドウを検知します。</p>
+    <p><strong>false</strong>のときは、<a href="WinShow.htm">WinShow</a>関数を除いて非表示ウィンドウを検知しません。</p>
   </dd>
 
 </dl>