payment reference label update

src/translations/en.json

@@ -543,7 +543,7 @@
   "paymentNo": "Payment No.",
   "paymentDate": "Payment Date",
   "paymentTime": "Payment Time",
-  "paymentRefCode": "Payment Reference Number",
+  "paymentRefCode": "Payment Reference No.",
 
   "paymentInfoRecord": "Payment Notice Record",
   "paymentRecordId": "Payment Record No.",