diff --git a/etc/NEWS b/etc/NEWS
index 85f88bbb8ea..173fb7ce824 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -75,11 +75,13 @@ See the list at the end of etc/MACHINES for details.
 *** The `emacstool' utility has been removed.
 
 ** The following platforms will be removed in a future Emacs version:
+If you are still using Emacs on one of these platforms, please email
+emacs-devel@gnu.org to inform the Emacs developers.
 
-*** Libc version 5 on GNU/Linux.
+*** Old GNU/Linux systems based on libc version 5.
 
-*** Old FreeBSD and NetBSD systems based on the COFF executable
-    format.
+*** Old FreeBSD, NetBSD, and OpenBSD systems based on the COFF
+    executable format.
 
 *** Solaris versions 2.6 and below.
 
@@ -87,6 +89,8 @@ See the list at the end of etc/MACHINES for details.
 
 *** UNIX System V (the original SysV, not later platforms based on it).
 
+*** Unixware on non-x86 machines.
+
 *** Platforms not supporting shared libraries (i.e., requiring the
 NO_SHARED_LIBS compilation flag).