diff --git a/plugins/bc-admin-third/templates/plugin/BcBlog/Admin/element/BlogCategories/form.php b/plugins/bc-admin-third/templates/plugin/BcBlog/Admin/element/BlogCategories/form.php
index f6ee61a54b..8632fe141d 100755
--- a/plugins/bc-admin-third/templates/plugin/BcBlog/Admin/element/BlogCategories/form.php
+++ b/plugins/bc-admin-third/templates/plugin/BcBlog/Admin/element/BlogCategories/form.php
@@ -46,7 +46,7 @@
         <div class="bca-helptext">
           <ul>
             <li><?php echo __d('baser_core', 'URLに利用されます') ?></li>
-            <li><?php echo __d('baser_core', '半角のみで入力してください') ?></li>
+            <li><?php echo __d('baser_core', '半角英数字、ハイフン、アンダースコアで入力してください') ?></li>
           </ul>
         </div>
         <?php echo $this->BcAdminForm->error('name') ?>