diff --git a/src/views/invoice/Detail.jsx b/src/views/invoice/Detail.jsx
index b1952a0..44d40e6 100644
--- a/src/views/invoice/Detail.jsx
+++ b/src/views/invoice/Detail.jsx
@@ -9,7 +9,7 @@ import { isNotEmpty } from "@/utils/commons";
 import * as config from "@/config";
 import dayjs from "dayjs";
 
-const { Title } = Typography;
+const { Title,Text } = Typography;
 const { TextArea } = Input;
 
 function Detail() {
@@ -266,7 +266,8 @@ function Detail() {
 												</Form.Item>
 
 												<Form.Item name="info_date" label="Due Month">
-													<DatePicker picker="month" />
+													<DatePicker picker="month" /><br/>
+													<Text type="secondary">Payment is arranged during the last week of each month. If the invoice is issued after the 20th, please select the following month for payment. For urgent payments, please contact the travel advisor. </Text>
 												</Form.Item>
 
 												<Form.Item name="info_gmdsn" hidden={true}>