atc(6): update ORD marker beacon information

ok deraadt@

diff --git a/games/atc/games/OHare b/games/atc/games/OHare
index 1efd679..5dea83e 100644 (file)
--- a/games/atc/games/OHare
+++ b/games/atc/games/OHare
@@ -7,6 +7,11 @@ exit:  (  6  0 x ) ( 18  0 x )
        ( 29  5 a ) ( 29 13 a )
        ( 14 20 e ) (  6 20 w ) ;
 
+#
+# Note: Some marker beacons at ORD were decommissioned after this file was
+#       written. Pilots are advised to not use the beacon information here for
+#       flight planning.
+#
 beacon:        (  6  5 ) ( 18  5 )
        (  6 13 ) ;