diff --git a/src/lsa/name-lsa.hpp b/src/lsa/name-lsa.hpp
index 3223839..5e9c8d5 100644
--- a/src/lsa/name-lsa.hpp
+++ b/src/lsa/name-lsa.hpp
@@ -1,5 +1,5 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
+/*
  * Copyright (c) 2014-2020,  The University of Memphis,
  *                           Regents of the University of California,
  *                           Arizona Board of Regents.
@@ -17,7 +17,7 @@
  *
  * You should have received a copy of the GNU General Public License along with
  * NLSR, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
- **/
+ */
 
 #ifndef NLSR_LSA_NAME_LSA_HPP
 #define NLSR_LSA_NAME_LSA_HPP
@@ -37,15 +37,21 @@
 public:
   NameLsa() = default;
 
-  NameLsa(const ndn::Name& originRouter, uint32_t seqNo,
+  NameLsa(const ndn::Name& originRouter, uint64_t seqNo,
           const ndn::time::system_clock::TimePoint& timepoint,
-          NamePrefixList& npl);
+          const NamePrefixList& npl);
 
   NameLsa(const ndn::Block& block);
 
   Lsa::Type
   getType() const override
   {
+    return type();
+  }
+
+  static constexpr Lsa::Type
+  type()
+  {
     return Lsa::Type::NAME;
   }
 
@@ -83,14 +89,16 @@
   wireEncode(ndn::EncodingImpl<TAG>& block) const;
 
   const ndn::Block&
-  wireEncode() const;
+  wireEncode() const override;
 
   void
   wireDecode(const ndn::Block& wire);
 
+  std::string
+  toString() const override;
+
 private:
   NamePrefixList m_npl;
-  mutable ndn::Block m_wire;
 };
 
 NDN_CXX_DECLARE_WIRE_ENCODE_INSTANTIATIONS(NameLsa);