Update docs/modules/nifi/pages/usage_guide/monitoring.adoc

Co-authored-by: Malte Sander <malte.sander.it@gmail.com>

Author: xeniape

docs/modules/nifi/pages/usage_guide/monitoring.adoc

@@ -133,7 +133,7 @@ spec:
 <2> Relabel `__address__` to be a FQDN rather then the IP-Address of the target Pod. This is currently necessary to scrape NiFi, since it requires a DNS name to address the NiFi REST API
 <3> Currently, the NiFi StatefulSet only offers using FQDNs for NiFi Pods through the `headless` Service, which is why we use the `headless` Service instead of the `metrics` Service to scrape NiFi metrics
 
-NOTE: As of xref:listener-operator:listener.adoc[Listener] integration, SDP exposes a Service with `-metrics` thus we need to regex this suffix.
+NOTE: The SDP exposes a dedicated `metrics` Service since the xref:listener-operator:listener.adoc[Listener integration].
 
 The described example is part of the https://github.com/stackabletech/demos/blob/main/stacks/monitoring/prometheus.yaml[Prometheus,window=_blank]
 and https://github.com/stackabletech/demos/blob/main/stacks/monitoring/prometheus-service-monitors.yaml[ServiceMonitor,window=_blank] manifests