Update README.md

Author: SergeStinckwich

README.md

@@ -2,7 +2,7 @@
 
 [![Project Status: Active – The project has reached a stable, usable state and is being actively developed.](http://www.repostatus.org/badges/latest/active.svg)](http://www.repostatus.org/#active)
 [![Build Status](https://travis-ci.org/PolyMathOrg/PolyMath.svg?branch=master)](https://travis-ci.org/PolyMathOrg/PolyMath)
-[![Build status](https://ci.appveyor.com/api/projects/status/t4o6by4psutfpmp7?svg=true)](https://ci.appveyor.com/project/SergeStinckwich/polymath)
+[![Build status](https://ci.appveyor.com/api/projects/status/t4o6by4psutfpmp7?svg=true)](https://ci.appveyor.com/project/PolyMathOrg/polymath)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/PolyMathOrg/PolyMath/master/LICENSE)
 
 You can load the code in a fresh Pharo 6.1 image with:
@@ -29,7 +29,7 @@ PolyMath is a Smalltalk project, similar to existing scientific libraries like N
 A book about PolyMath called "Numerical Methods" is available online: https://github.com/SquareBracketAssociates/NumericalMethods/releases/tag/snapshot-2016-01-17
 
 Some documentation (to be cleaned and reorganized) about PolyMath is available on the Wiki here: 
-https://github.com/SergeStinckwich/SciSmalltalk/wiki
+https://github.com/PolyMathOrg/PolyMath/wiki
 
 Natalia wrote some explanation about benchmarking PolyMath in the Pharo For Enterprise Book: https://github.com/SquareBracketAssociates/PharoForTheEnterprise-english/blob/ae40e7ab6f7651f6e7c271869eb1efc4e531e774/ComparingSolutions/ComparingSolutions.pier