diff --git a/docs/emails/cryptography/15.md b/docs/emails/cryptography/15.md
index e3f5c91..a574107 100644
--- a/docs/emails/cryptography/15.md
+++ b/docs/emails/cryptography/15.md
@@ -4,7 +4,7 @@ title: Bitcoin P2P e-cash paper
 grand_parent: Emails
 parent: Cryptography Mailing List
 nav_order: 15
-2008-11-17 17:24:43 UTC
+date: 2008-11-17 17:24:43 UTC
 ---
 
 # Bitcoin P2P e-cash paper