diff --git a/src/templates/base.j2 b/src/templates/base.j2
index c4dd86f..0092cad 100644
--- a/src/templates/base.j2
+++ b/src/templates/base.j2
@@ -42,7 +42,7 @@
         <details open>
         <summary>messages from the server</summary>
         {% for category, message in messages %}
-        <div><b>[{{ category | escape }}] {{ message | escape }}</b></div>
+        <h2>[{{ category | escape }}] {{ message | escape }}</h2>
         {% endfor %}
         </details>
         {% endif %}