[DOCS] Fixed broken link to java transport client
Original commit: elastic/x-pack-elasticsearch@33fcd5a69102beb14b54942ccbb9400f070df9f7
[[setup-xpack-client]]
== Configuring {xpack} Java Clients
-If you want to use a Java {ref}/transport-client.html[transport client] with a
+If you want to use a Java {javaclient}/transport-client.html[transport client] with a
cluster where {xpack} is installed, then you must download and configure the
{xpack} transport client.
