diff --git a/docs/HISTORY.txt b/docs/HISTORY.txt
index ade48f3..a28af0f 100644
--- a/docs/HISTORY.txt
+++ b/docs/HISTORY.txt
@@ -4,6 +4,7 @@ Changelog
 1.0b3 (XXXX-XX-XX)
 ------------------
 
+* Added a commentTitle CSS class to the comment titles. [hannosch]
 * Update message ids to match their real text. [hannosch]
 * Set CSS classes for the comment form in the updateActions method. [timo]
 * Respect the allow_comments field on an object and avoid calculations if no comments should be shown. [hannosch]
diff --git a/plone/app/discussion/browser/comments.pt b/plone/app/discussion/browser/comments.pt
index b109991..9521c57 100644
--- a/plone/app/discussion/browser/comments.pt
+++ b/plone/app/discussion/browser/comments.pt
@@ -59,7 +59,8 @@
                                          alt reply/Creator" />
                 </div>
 
-                <h3 tal:content="reply/Title" />
+                <h3 class="commentTitle"
+                    tal:content="reply/Title" />
 
                 <div class="documentByLine">
                         <tal:posted i18n:translate="label_comment_by">Posted by</tal:posted>