diff --git a/layouts/partials/sidebar.html b/layouts/partials/sidebar.html
index a1d3f81..e78bcf1 100644
--- a/layouts/partials/sidebar.html
+++ b/layouts/partials/sidebar.html
@@ -18,7 +18,7 @@
     {{ with .Params.Topics }}
     <div class="card mt-3">
       <div class="card-header">
-        <h4 class="card-title">{{i18n "topics"}}</h4>
+        <h4 class="card-text">{{i18n "topics"}}</h4>
       </div>
       <div class="card-body">
         <ul id="topics" class="list-inline">