diff --git a/rmw_fastrtps_dynamic_cpp/src/rmw_node_info_and_types.cpp b/rmw_fastrtps_dynamic_cpp/src/rmw_node_info_and_types.cpp
index c90846903..2131cc93d 100644
--- a/rmw_fastrtps_dynamic_cpp/src/rmw_node_info_and_types.cpp
+++ b/rmw_fastrtps_dynamic_cpp/src/rmw_node_info_and_types.cpp
@@ -23,6 +23,7 @@
 
 #include "rmw_fastrtps_dynamic_cpp/identifier.hpp"
 
+// The extern "C" here enforces that overloading is not used.
 extern "C"
 {
 rmw_ret_t