Update the link to the contributing doc (#687)

Author: leochr

README.md

@@ -328,7 +328,7 @@ For the list of known issues related to images, see the [Known Issues](https://g
 
 # Issues and Contributions
 
-For issues relating specifically to the Dockerfiles and scripts, please use the [GitHub issue tracker](https://github.com/WASdev/ci.docker/issues). For more general issue relating to IBM WebSphere Application Server Liberty you can [get help](https://developer.ibm.com/wasdev/help/) through the WASdev community or, if you have production licenses for WebSphere Application Server, via the usual support channels. We welcome contributions following [our guidelines](https://github.com/WASdev/wasdev.github.io/blob/master/CONTRIBUTING.md).
+For issues relating specifically to the Dockerfiles and scripts, please use the [GitHub issue tracker](https://github.com/WASdev/ci.docker/issues). For more general issue relating to IBM WebSphere Application Server Liberty you can [get help](https://developer.ibm.com/wasdev/help/) through the WASdev community or, if you have production licenses for WebSphere Application Server, via the usual support channels. We welcome contributions following [our guidelines](https://github.com/WASdev/ci.docker/blob/main/CONTRIBUTING.md).
 
 # License