diff --git a/NEWS b/NEWS
index 7563d63d9c..dde530e396 100644
--- a/NEWS
+++ b/NEWS
@@ -7,7 +7,9 @@ CHANGES WITH 258 in spe:
         * The default access mode of tty/pts device nodes has been changed to
           0600, which was 0620 in the older releases, due to general security
           concerns about terminals being written to by other users. To restore
-          the old default access mode, use '-Dtty-mode=0620' meson build option.
+          the old default access mode, use '-Dtty-mode=0620' meson build
+          option. (This effectively means "mesg n" is now the default, rather
+          than "mesg y", see mesg(1) man page for help.)
 
         * systemd-run's --expand-environment= switch, which was disabled
           by default when combined with --scope, has been changed to to be