diff --git a/doc/user/blue-app-openpgp-card.pdf b/doc/user/blue-app-openpgp-card.pdf
index 9a73221..af439d6 100644
Binary files a/doc/user/blue-app-openpgp-card.pdf and b/doc/user/blue-app-openpgp-card.pdf differ
diff --git a/doc/user/blue-app-openpgp-card.rst b/doc/user/blue-app-openpgp-card.rst
index 6e83958..7e350c9 100644
--- a/doc/user/blue-app-openpgp-card.rst
+++ b/doc/user/blue-app-openpgp-card.rst
@@ -46,7 +46,7 @@ Introduction
 
 GnuPG application for Ledger Blue and Nano S
 
-This application implements "The OpenPGP card" specification revision 3.3. This specification is available in doc directory and at https://g10code.com/p-card.html .
+This application implements "The OpenPGP card" specification revision 3.1. This specification is available in doc directory and at https://g10code.com/p-card.html .
 
 The application supports: