diff --git a/src/protocol-detail/new-renew-revoke.hpp b/src/protocol-detail/new-renew-revoke.hpp
index f9710b8..ee393b1 100644
--- a/src/protocol-detail/new-renew-revoke.hpp
+++ b/src/protocol-detail/new-renew-revoke.hpp
@@ -49,7 +49,7 @@
   decodeDataContent(const Block& content);
 };
 
-}  // namespace ndncert
-}  // namespace ndn
+} // namespace ndncert
+} // namespace ndn
 
 #endif // NDNCERT_PROTOCOL_DETAIL_NEW_RENEW_REVOKE_HPP
\ No newline at end of file