Updated security README.txt

Till Brehm

2014-08-25 7536c8e4a052bc889e434da3f6df8ae47faedd3d

 remoting_client/examples/sites_shell_user_update.php

@@ -15,7 +15,7 @@
   }

   //* Parameters
   $client_id = 3;
   $client_id = 0;
   $shell_user_id = 1;