Changing license header, again!

client/WATCHLISTS

 # Copyright 2013 The LUCI Authors. All rights reserved.
-# Use of this source code is governed by the Apache v2.0 license that can be
-# found in the LICENSE file.
+# Use of this source code is governed under the Apache License, Version 2.0
+# that can be found in the LICENSE file.
 
 # Watchlist Rules
 # Refer: http://dev.chromium.org/developers/contributing-code/watchlists
 
 {
 
   'WATCHLIST_DEFINITIONS': {
     'all': {
       'filepath': '.+',
     },
   },
 
   'WATCHLISTS': {
     'all': [
       'csharp+cc@chromium.org',
       'vadimsh+cc@chromium.org',
     ],
   },
 
 }