fix typo in NEWS

Looks like `-a change` is a typo and should have been `-c change` to
match on the action.

diff --git a/NEWS b/NEWS
index d624c2a799b5e9111945e7f917857a78aca8546f..8f4b987660f2c176408a285cb2f195ba65e96f09 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -4692,7 +4692,7 @@ CHANGES WITH 247:
           packages have not retriggered devices once the udev package (or any
           auxiliary package installing additional udev rules) is updated. We
           intend to work with major distributions to change this, so that
-          "udevadm trigger -a change" is issued on such upgrades, ensuring that
+          "udevadm trigger -c change" is issued on such upgrades, ensuring that
           the updated ruleset is applied to the devices already discovered, so
           that (asynchronously) after the upgrade completed the udev database
           is consistent with the updated rule set. This means udev rules must