encoding: update to revision 3 of the naming conventions
Change-Id: I2e5c84762c148c4cea17db13b8ff92dd65299fce
diff --git a/docs/specs/certificate.rst b/docs/specs/certificate.rst
index 2808bc8..eed4c21 100644
--- a/docs/specs/certificate.rst
+++ b/docs/specs/certificate.rst
@@ -83,9 +83,9 @@
free-form identifier.
*Version* represents the version number of the certificate. This component is encoded
-as a VersionNameComponent, following either revision 1 (marker-based) or revision 2
+as a VersionNameComponent, following either revision 1 (marker-based) or revision 3
(type-based) of the `NDN naming conventions
-<https://named-data.net/publications/techreports/ndn-tr-22-2-ndn-memo-naming-conventions/>`__.
+<https://named-data.net/publications/techreports/ndn-tr-22-3-ndn-memo-naming-conventions/>`__.
For example::