diff --git a/templates/challenge-all-submissions.hamlet b/templates/challenge-all-submissions.hamlet
index ab858dd..f6f41a8 100644
--- a/templates/challenge-all-submissions.hamlet
+++ b/templates/challenge-all-submissions.hamlet
@@ -15,7 +15,8 @@ $if not (null params)
   <h3>Graphs by parameters
 
   $forall param <- params
-    <div id="chart-#{param}-#{toPathPiece $ entityKey mainTest}"></div>
+     <h4>#{param}
+     <div id="chart-#{param}-#{toPathPiece $ entityKey mainTest}">
 
   <script src="/static/js/d3.min.js" charset="utf-8"></script>
   <script src="/static/js/c3.min.js"></script>