updated README.md

Author: Jani Giannoudis

README.md

@@ -1,5 +1,5 @@
 # Payroll Engine Json Schema Builder
-👉 This repository is part of the [Payroll Engine](https://github.com/Payroll-Engine/PayrollEngine/wiki).
+👉 This application is part of the [Payroll Engine](https://github.com/Payroll-Engine/PayrollEngine/wiki).
 
 ## Third party components
 - JSON schema generation with [NJsonSchema](https://github.com/RicoSuter/NJsonSchema/) - licence `MIT`