some format update

Change-Id: Icc5e60e0bfac742cf97d0aad23f5a51906b09b31
diff --git a/src/name-assignment/assignment-param.hpp b/src/name-assignment/assignment-param.hpp
index cdbb410..5e60dc1 100644
--- a/src/name-assignment/assignment-param.hpp
+++ b/src/name-assignment/assignment-param.hpp
@@ -36,9 +36,8 @@
   std::vector<PartialName>
   assignName(const std::vector<std::tuple<std::string, std::string>>& params) override;
 };
-}
-}
 
-
+} // namespace ndncert
+} // namespace ndn
 
 #endif //NDNCERT_ASSIGNMENT_PARAM_HPP