diff --git a/src/main/resources/templates/fragments/sidebar.html b/src/main/resources/templates/fragments/sidebar.html
index 7f27a81..df887eb 100644
--- a/src/main/resources/templates/fragments/sidebar.html
+++ b/src/main/resources/templates/fragments/sidebar.html
@@ -43,7 +43,7 @@
               </a>
             </li>
             <li class="nav-item">
-              <a href="https://github.com/yuuhayashi/task-bldg/wiki" class="nav-link text-white">
+              <a href="https://github.com/yuuhayashi/task-bldg/wiki/HowToUse" class="nav-link text-white">
                 <i class="bi bi-box-arrow-right me-2"></i>
                 使い方 (外部リンク)
               </a>