diff --git a/src/name-assignment/assignment-random.cpp b/src/name-assignment/assignment-random.cpp
index 7b24481..59f6477 100644
--- a/src/name-assignment/assignment-random.cpp
+++ b/src/name-assignment/assignment-random.cpp
@@ -38,5 +38,5 @@
   return resultList;
 }
 
-}
-}
+} // namespace ndncert
+} // namespace ndn