Update README.md

Author: ac-guidoum

README.md

@@ -2,7 +2,7 @@
 
 [![Project Status](https://www.repostatus.org/badges/latest/active.svg?style=popout)](https://cran.r-project.org/src/contrib/Archive/Sim.DiffProc/)
 [![Travis Build Status](https://travis-ci.org/acguidoum/Sim.DiffProc.svg?branch=master)](https://travis-ci.org/acguidoum/Sim.DiffProc)
-[![AppVeyor Build status](https://ci.appveyor.com/api/projects/status/65glhgavh266hkyk/branch/master?svg=true)](https://ci.appveyor.com/project/acguidoum/sim-diffproc/branch/master) [![codecov](https://codecov.io/gh/acguidoum/Sim.DiffProc/branch/master/graph/badge.svg)](https://codecov.io/gh/acguidoum/Sim.DiffProc)
+[![Build status](https://ci.appveyor.com/api/projects/status/16a70vyf8rk7nn1i?svg=true)](https://ci.appveyor.com/project/acguidoum/sim-diffproc-xal8n) [![codecov](https://codecov.io/gh/acguidoum/Sim.DiffProc/branch/master/graph/badge.svg)](https://codecov.io/gh/acguidoum/Sim.DiffProc)
 
 
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