diff --git a/c++/cursesw.cc b/c++/cursesw.cc
index 1643877..8ea265c 100644
--- a/c++/cursesw.cc
+++ b/c++/cursesw.cc
@@ -1,6 +1,7 @@
 // * this is for making emacs happy: -*-Mode: C++;-*-
 /****************************************************************************
- * Copyright (c) 2007-2012,2014 Free Software Foundation, Inc.              *
+ * Copyright 2019,2020 Thomas E. Dickey                                     *
+ * Copyright 1998-2012,2014 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +43,7 @@
 #include "internal.h"
 #include "cursesw.h"
 
-MODULE_ID("$Id: cursesw.cc,v 1.54 2014/02/01 22:10:42 tom Exp $")
+MODULE_ID("$Id: cursesw.cc,v 1.56 2020/02/02 23:34:34 tom Exp $")
 
 #define COLORS_NEED_INITIALIZATION  -1
 #define COLORS_NOT_INITIALIZED       0
@@ -344,7 +345,7 @@
 }
 
 
-NCursesWindow::~NCursesWindow()
+NCursesWindow::~NCursesWindow() THROWS(NCursesException)
 {
     kill_subwindows();