diff --git a/opentech/apply/activity/templates/activity/include/comment_form.html b/opentech/apply/activity/templates/activity/include/comment_form.html
index 780c2143fbd3ecec13a25990dba5c65de749532e..39cd0da890468dd32813e2ff65718601d51057cc 100644
--- a/opentech/apply/activity/templates/activity/include/comment_form.html
+++ b/opentech/apply/activity/templates/activity/include/comment_form.html
@@ -3,6 +3,6 @@
     <form class="form form--comments" method="post" id="comment-form">
         {% csrf_token %}
         {{ comment_form }}
-        <input id="comment-form-submit" name="form-submitted" form="comment-form" class="button button--primary" type="submit" value="Add message">
+        <button id="comment-form-submit" name="form-submitted" form="comment-form" class="button button--primary" type="submit" value="comment">Add message</button>
     </form>
 </div>