Merge pull request #21 from clm0ss/patch-1

Update link in README.md - Apply node labels to demonstrate placement of tasks

README.md

@@ -28,7 +28,7 @@ Web version can be found here: [DCA website](https://evalle.github.io/DCA/)
 - [Add networks, publish ports](https://docs.docker.com/network/) 
 - [Mount volumes](https://docs.docker.com/storage/volumes/)
 - [Describe and demonstrate how to run replicated and global services](https://docs.docker.com/engine/swarm/how-swarm-mode-works/services/#replicated-and-global-services)
-- [Apply node labels to demonstrate placement of tasks](https://success.docker.com/article/using-contraints-and-labels-to-control-the-placement-of-containers)
+- [Apply node labels to demonstrate placement of tasks](https://success.mirantis.com/article/using-contraints-and-labels-to-control-the-placement-of-containers)
 - [Describe and demonstrate how to use templates with “docker service create”](https://docs.docker.com/engine/reference/commandline/service_create/#create-services-using-templates)
 - [Identify the steps needed to troubleshoot a service not deploying](https://success.docker.com/article/swarm-troubleshooting-methodology)
 - [Describe how a Dockerized application communicates with legacy systems](https://docs.docker.com/config/containers/container-networking/)