diff --git a/src/name-assignment/assignment-hash.hpp b/src/name-assignment/assignment-hash.hpp
index b0532f7..3163f79 100644
--- a/src/name-assignment/assignment-hash.hpp
+++ b/src/name-assignment/assignment-hash.hpp
@@ -38,9 +38,8 @@
   assignName(const std::vector<std::tuple<std::string, std::string>>& params) override;
 
 };
-}
-}
 
-
+} // namespace ndncert
+} // namespace ndn
 
 #endif //NDNCERT_ASSIGNMENT_HASH_HPP