diff --git a/app/services/processor.py b/app/services/processor.py
index a5f083c..53fa818 100644
--- a/app/services/processor.py
+++ b/app/services/processor.py
@@ -87,7 +87,7 @@ def new_comment(data):
 
     # send email
     # TODO subject should embed a key 
-    subject = '%s: %d' % (site.name, 1) 
+    subject = '%s: [%d]' % (site.name, comment.id)
     mail(site.admin_email, subject, email_body)
 
     # TODO support subscription