修改注释

Author: gusibi

weixin/pay.py

@@ -216,7 +216,7 @@ def refund(self, out_refund_no, total_fee, refund_fee, op_user_id,
                out_trade_no='', transaction_id='',
                device_info='', refund_fee_type='CNY'):
         """
-        退款查询接口
+        退款接口
         https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_4
         :param out_refund_no: 商户退款单号
         :param total_fee: 总金额