Update README.md

Author: platipusica

README.md

@@ -52,8 +52,7 @@ Live demos on PythonAnywhere (pls drop an issue to start the app if "Coming Soon
 
   Below two apps demonstrate Matplotlib, Pandas, NumPy and RFM analysis, which stands for R ecency, F requency, and M onetary value, directly migrated from MS Access template:
 
-- [NorthWind Traders from MS Access template V7 DEV (wip)](https://northwind2.pythonanywhere.com)
-- [NorthWind Traders from MS Access template V7 (wip)](https://northwind.pythonanywhere.com)
+- [NorthWind Traders from MS Access template V7 (wip)](https://northwind.jampyapplicationbuilder.com)
 
 
 - [The ERP POC Demo with Italian and English translations](https://sem.pythonanywhere.com)