diff --git a/include/nuttx/net/netlink.h b/include/nuttx/net/netlink.h
index f126375673..cbf99105b2 100644
--- a/include/nuttx/net/netlink.h
+++ b/include/nuttx/net/netlink.h
@@ -100,6 +100,14 @@ extern "C"
  *   Note:  The network will be momentarily locked to support exclusive
  *   access to the pending response list.
  *
+ * Input Parameters:
+ *   handle - The handle previously provided to the sendto() implementation
+ *            for the protocol.  This is an opaque reference to the Netlink
+ *            socket state structure.
+ *   resp   - The response to the request.  The memory referenced by 'resp'
+ *            must have been allocated via kmm_malloc().  It will be freed
+ *            using kmm_free() after it has been consumed.
+ *
  ****************************************************************************/
 
 void netlink_add_response(NETLINK_HANDLE handle,
diff --git a/net/netlink/netlink_conn.c b/net/netlink/netlink_conn.c
index 4439bb387b..0acc0a584d 100644
--- a/net/netlink/netlink_conn.c
+++ b/net/netlink/netlink_conn.c
@@ -345,6 +345,14 @@ FAR struct netlink_conn_s *netlink_active(FAR struct sockaddr_nl *addr)
  *   Note:  The network will be momentarily locked to support exclusive
  *   access to the pending response list.
  *
+ * Input Parameters:
+ *   handle - The handle previously provided to the sendto() implementation
+ *            for the protocol.  This is an opaque reference to the Netlink
+ *            socket state structure.
+ *   resp   - The response to the request.  The memory referenced by 'resp'
+ *            must have been allocated via kmm_malloc().  It will be freed
+ *            using kmm_free() after it has been consumed.
+ *
  ****************************************************************************/
 
 void netlink_add_response(NETLINK_HANDLE handle,