fixing help for security-group

util/vpc-tools/db-clone.py

@@ -75,7 +75,7 @@ def parse_args(args=sys.argv[1:]):
                         help="dns entry for the new rds instance")
     parser.add_argument('--security-group', action="store_true",
                         default=False,
-                        help="security group to add to the new instance")
+                        help="add sg group from SG_GROUPS")
     parser.add_argument('--clean', action="store_true",
                         default=False,
                         help="clean the db after launching it into the vpc, removing sensitive data")