PLMCORE-10438: Clarifying that the referenced metrics are Prometheus

Author: ahardin-rh

modules/nw-metallb-metrics.adoc

@@ -5,7 +5,7 @@
 [id="nw-metallb-metrics_{context}"]
 = MetalLB metrics for BGP and BFD
 
-{product-title} captures the following metrics for MetalLB that relate to BGP peers and BFD profiles.
+{product-title} captures the following Prometheus metrics for MetalLB that relate to BGP peers and BFD profiles.
 
 .MetalLB BFD metrics
 [cols="30%,70%",options="header"]