Merge pull request #11278 from spzala/pathref

doc: update file ref path

Documentation/learning/why.md

@@ -77,7 +77,7 @@ In theory, it’s possible to build these primitives atop any storage systems pr
 
 For distributed coordination, choosing etcd can help prevent operational headaches and save engineering effort.
 
-[production-users]: ../production-users.md
+[production-users]: ../../ADOPTERS.md
 [grpc]: https://www.grpc.io
 [consul-bulletproof]: https://www.consul.io/docs/internals/sessions.html
 [curator]: http://curator.apache.org/

README.md

@@ -22,7 +22,7 @@ etcd is a distributed reliable key-value store for the most critical data of a d
 
 etcd is written in Go and uses the [Raft][raft] consensus algorithm to manage a highly-available replicated log.
 
-etcd is used [in production by many companies](./Documentation/production-users.md), and the development team stands behind it in critical deployment scenarios, where etcd is frequently teamed with applications such as [Kubernetes][k8s], [locksmith][locksmith], [vulcand][vulcand], [Doorman][doorman], and many others. Reliability is further ensured by [**rigorous testing**](https://github.com/etcd-io/etcd/tree/master/functional).
+etcd is used [in production by many companies](./ADOPTERS.md), and the development team stands behind it in critical deployment scenarios, where etcd is frequently teamed with applications such as [Kubernetes][k8s], [locksmith][locksmith], [vulcand][vulcand], [Doorman][doorman], and many others. Reliability is further ensured by [**rigorous testing**](https://github.com/etcd-io/etcd/tree/master/functional).
 
 See [etcdctl][etcdctl] for a simple command line client.