Merge pull request #49334 from UMMAN2005/add-component-sli-metrics-description

Add description for Kubernetes Component SLI Metrics and z-pages

Author: k8s-ci-robot

content/en/docs/reference/instrumentation/slis.md

@@ -5,6 +5,8 @@ title: Kubernetes Component SLI Metrics
 linkTitle: Service Level Indicator Metrics
 content_type: reference
 weight: 20
+description: >-
+  High-level indicators for measuring the reliability and performance of Kubernetes components.
 ---
 
 <!-- overview -->

content/en/docs/reference/instrumentation/zpages.md

@@ -4,6 +4,8 @@ content_type: reference
 weight: 60
 reviewers:
 - dashpole
+description: >-
+  Provides runtime diagnostics for Kubernetes components, offering insights into component runtime status and configuration flags.
 ---
 
 
@@ -67,4 +69,4 @@ authorization-webhook-cache-authorized-ttl=5m0s
 authorization-webhook-cache-unauthorized-ttl=30s
 authorization-webhook-version=v1beta1
 default-watch-cache-size=100
-```
+```