diff --git a/app/views/main/submission.html.haml b/app/views/main/submission.html.haml
--- a/app/views/main/submission.html.haml
+++ b/app/views/main/submission.html.haml
@@ -13,6 +13,7 @@
   - if @submissions.length>0
     %table.info
       %tr.info-head
+        %th.info No.
         %th.info #
         %th.info At
         %th.info Source