fix broken xref

Author: aireilly

release_notes/ocp-4-15-release-notes.adoc

@@ -1021,7 +1021,7 @@ The following variables are no longer recommended for use:
 
 To generate the `junit` report, the `--ginkgo.junit-report` flag replaces `--junit`.
 
-For more information, see xref:../scalability_and_performance/cnf-performing-platform-verification-latency-tests.adoc[Performing latency tests for platform verification].
+For more information, see xref:../scalability_and_performance/low_latency_tuning/cnf-performing-platform-verification-latency-tests.adoc#cnf-performing-platform-verification-latency-tests[Performing latency tests for platform verification].
 
 [id="ocp-4-15-bare-metal-operator"]
 ==== Bare Metal Operator