diff --git a/src/security/transform/transform-base.hpp b/src/security/transform/transform-base.hpp
index a06f0b1..aca3a00 100644
--- a/src/security/transform/transform-base.hpp
+++ b/src/security/transform/transform-base.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2013-2016 Regents of the University of California.
+/*
+ * Copyright (c) 2013-2017 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -30,7 +30,7 @@
 namespace transform {
 
 /**
- * @file transform-base.hpp
+ * @file
  *
  * There are three types of module in a transformation chain: Source, Transform, and Sink.
  * The ideal usage of the transformation would be: