diff --git a/submissions/models.py b/submissions/models.py
index a46e95167a67107233decdeb3ae4508e7179daf0..7c3f8d9ed8edfdf1c1e1bfc6242fa2b4ecfbe1be 100644
--- a/submissions/models.py
+++ b/submissions/models.py
@@ -531,7 +531,7 @@ class Report(SubmissionRelatedObjectMixin, models.Model):
             else:
                 citation += '%s %s, ' % (self.author.user.first_name, self.author.user.last_name)
             citation += 'Report on %s, ' % self.submission.arxiv_identifier_w_vn_nr
-            citation += 'Delivered %s, ' % self.date_submitted.strftime('%Y-%m-%d')
+            citation += 'delivered %s, ' % self.date_submitted.strftime('%Y-%m-%d')
             citation += 'doi: %s' % self.doi_string
         return citation