diff --git a/_includes/topics.html b/_includes/topics.html
index 6120dd8..5c5b3c1 100644
--- a/_includes/topics.html
+++ b/_includes/topics.html
@@ -1,4 +1,4 @@
-<h5>{{ page.tabtitle }}</h5>
+<h6>{{ page.tabtitle }}</h6>
 {% for post in site.posts %}
     {% if post.topics contains page.title %}
     <h1><a href="{{ post.url }}">{{ post.title }}</a></h1>