docs: fix doc build

Author: bmorelli25

docs/configuration.asciidoc

@@ -146,7 +146,7 @@ Activate APM Agent Configuration via Kibana.
 If set to `true`, the client will poll the APM Server regularly for new agent configuration.
 
 NOTE: This feature requires APM Server v7.3 or later and that the APM Server is configured with `kibana.enabled: true`.
-More information is available in {apm-overview-ref-v}/agent-configuration.html[APM Agent configuration].
+More information is available in {kibana-ref}/agent-configuration.html[APM Agent configuration].
 
 [[async-hooks]]
 ==== `asyncHooks`