Update broken doc link, to docker volumes (#866)

content/docs/introduction/install.md

@@ -32,7 +32,7 @@ exposes it on port 9090.
 
 The Prometheus image uses a volume to store the actual metrics. For
 production deployments it is highly recommended to use the
-[Data Volume Container](https://docs.docker.com/engine/userguide/containers/dockervolumes/#creating-and-mounting-a-data-volume-container)
+[Data Volume Container](https://docs.docker.com/engine/admin/volumes/volumes/)
 pattern to ease managing the data on Prometheus upgrades.
 
 To provide your own configuration, there are several options. Here are