diff --git a/docs/emails/cryptography/1.md b/docs/emails/cryptography/1.md
index 256b45d..94a598e 100644
--- a/docs/emails/cryptography/1.md
+++ b/docs/emails/cryptography/1.md
@@ -1,6 +1,6 @@
 ---
 layout: default
-title: Bitcoin P2P e-cash paper
+title: 'Bitcoin P2P e-cash paper - 2008-10-31 18:10:00 UTC'
 grand_parent: Emails
 parent: Cryptography Mailing List
 nav_order: 1