diff --git a/web/templates/search.html b/web/templates/search.html
index 5708415..3338a19 100644
--- a/web/templates/search.html
+++ b/web/templates/search.html
@@ -58,9 +58,11 @@
 
   <!-- ===== History Dropdown ===== -->
   <div class="card" style="padding:0; margin:16px 0 12px;">
-    <h1 class="page-title dropdown-toggle history-title" data-target="#history-panel">
-  Search History
-  <span class="chevron">▾</span>
+    <h1 class="page-title dropdown-toggle history-title"
+    data-target="#history-panel"
+    role="button"
+    aria-expanded="false">
+  Search History <span class="chevron">▾</span>
 </h1>
     <div id="history-panel" class="dropdown-panel">
       <hr style="border:none; border-top:1px solid var(--border); margin:12px 0;">