diff --git a/connection_manager_interface.h b/connection_manager_interface.h
index 2faeb80..9f77989 100644
--- a/connection_manager_interface.h
+++ b/connection_manager_interface.h
@@ -61,7 +61,7 @@
 // Factory function which creates a ConnectionManager.
 std::unique_ptr<ConnectionManagerInterface> CreateConnectionManager(
     SystemState* system_state);
-}
+}  // namespace connection_manager
 
 }  // namespace chromeos_update_engine