docs: update client v3's README
@@ -89,4 +89,4 @@ Client request size limit is configurable via `clientv3.Config.MaxCallSendMsgSiz
## Examples
-More code examples can be found at [GoDoc](https://godoc.org/go.etcd.io/etcd/clientv3).
+More code examples can be found at [GoDoc](https://godoc.org/github.com/rpcxio/etcd/clientv3).
