Updates link text on Metrics configuration page. (#2785)

docs/en/stack/ml/anomaly-detection/ootb-ml-jobs-metrics-ui.asciidoc

@@ -1,10 +1,8 @@
 ["appendix",role="exclude",id="ootb-ml-jobs-metrics-ui"]
 = Metrics {anomaly-detect} configurations
 
-These {anomaly-jobs} can be created in the
-{observability-guide}/analyze-metrics.html[{metrics-app}] in {kib}. For more
-information about their usage, refer to
-{observability-guide}/inspect-metric-anomalies.html[Inspect metric anomalies].
+These {anomaly-jobs} can be created in the {observability-guide}/analyze-metrics.html[{infrastructure-app}] in {kib}.
+For more information about their usage, refer to {observability-guide}/inspect-metric-anomalies.html[Inspect metric anomalies].
 
 // tag::metrics-jobs[]
 [discrete]