diff --git a/staging/src/k8s.io/apiserver/pkg/storage/etcd3/metrics/metrics.go b/staging/src/k8s.io/apiserver/pkg/storage/etcd3/metrics/metrics.go
index 29026e07e08..747e120dc74 100644
--- a/staging/src/k8s.io/apiserver/pkg/storage/etcd3/metrics/metrics.go
+++ b/staging/src/k8s.io/apiserver/pkg/storage/etcd3/metrics/metrics.go
@@ -84,7 +84,7 @@ var (
 		},
 		[]string{"endpoint"},
 	)
-	storageSizeDescription   = compbasemetrics.NewDesc("apiserver_storage_size_bytes", "Size of the storage database file physically allocated in bytes.", []string{"cluster"}, nil, compbasemetrics.STABLE, "")
+	storageSizeDescription   = compbasemetrics.NewDesc("apiserver_storage_size_bytes", "Size of the storage database file physically allocated in bytes.", []string{"storage_cluster_id"}, nil, compbasemetrics.STABLE, "")
 	storageMonitor           = &monitorCollector{monitorGetter: func() ([]Monitor, error) { return nil, nil }}
 	etcdEventsReceivedCounts = compbasemetrics.NewCounterVec(
 		&compbasemetrics.CounterOpts{
@@ -288,21 +288,21 @@ func (c *monitorCollector) CollectWithStability(ch chan<- compbasemetrics.Metric
 	}
 
 	for i, m := range monitors {
-		cluster := fmt.Sprintf("etcd-%d", i)
+		storageClusterID := fmt.Sprintf("etcd-%d", i)
 
-		klog.V(4).InfoS("Start collecting storage metrics", "cluster", cluster)
+		klog.V(4).InfoS("Start collecting storage metrics", "storage_cluster_id", storageClusterID)
 		ctx, cancel := context.WithTimeout(context.Background(), time.Second)
 		metrics, err := m.Monitor(ctx)
 		cancel()
 		m.Close()
 		if err != nil {
-			klog.InfoS("Failed to get storage metrics", "cluster", cluster, "err", err)
+			klog.InfoS("Failed to get storage metrics", "storage_cluster_id", storageClusterID, "err", err)
 			continue
 		}
 
-		metric, err := compbasemetrics.NewConstMetric(storageSizeDescription, compbasemetrics.GaugeValue, float64(metrics.Size), cluster)
+		metric, err := compbasemetrics.NewConstMetric(storageSizeDescription, compbasemetrics.GaugeValue, float64(metrics.Size), storageClusterID)
 		if err != nil {
-			klog.ErrorS(err, "Failed to create metric", "cluster", cluster)
+			klog.ErrorS(err, "Failed to create metric", "storage_cluster_id", storageClusterID)
 		}
 		ch <- metric
 	}
diff --git a/staging/src/k8s.io/apiserver/pkg/storage/etcd3/metrics/metrics_test.go b/staging/src/k8s.io/apiserver/pkg/storage/etcd3/metrics/metrics_test.go
index 838f7067b18..677d773703b 100644
--- a/staging/src/k8s.io/apiserver/pkg/storage/etcd3/metrics/metrics_test.go
+++ b/staging/src/k8s.io/apiserver/pkg/storage/etcd3/metrics/metrics_test.go
@@ -199,7 +199,7 @@ func TestStorageSizeCollector(t *testing.T) {
 			err: nil,
 			want: `# HELP apiserver_storage_size_bytes [STABLE] Size of the storage database file physically allocated in bytes.
 			# TYPE apiserver_storage_size_bytes gauge
-			apiserver_storage_size_bytes{cluster="etcd-0"} 1e+09
+			apiserver_storage_size_bytes{storage_cluster_id="etcd-0"} 1e+09
 			`,
 		},
 		{
diff --git a/test/instrumentation/documentation/documentation-list.yaml b/test/instrumentation/documentation/documentation-list.yaml
index d3988602583..8ceae9cf220 100644
--- a/test/instrumentation/documentation/documentation-list.yaml
+++ b/test/instrumentation/documentation/documentation-list.yaml
@@ -3209,7 +3209,7 @@
   type: Custom
   stabilityLevel: ALPHA
   labels:
-  - cluster
+  - storage_cluster_id
 - name: terminated_watchers_total
   namespace: apiserver
   help: Counter of watchers closed due to unresponsiveness broken by resource type.
diff --git a/test/instrumentation/documentation/documentation.md b/test/instrumentation/documentation/documentation.md
index a000c7fa49a..b59776a4099 100644
--- a/test/instrumentation/documentation/documentation.md
+++ b/test/instrumentation/documentation/documentation.md
@@ -8,7 +8,7 @@ description: >-
 
 ## Metrics (v1.30)
 
-<!-- (auto-generated 2024 Jan 14) -->
+<!-- (auto-generated 2024 Apr 11) -->
 <!-- (auto-generated v1.30) -->
 This page details the metrics that different Kubernetes components export. You can query the metrics endpoint for these 
 components using an HTTP scrape, and fetch the current metrics data in Prometheus format.
@@ -1094,7 +1094,7 @@ Alpha metrics do not have any API guarantees. These metrics must be used at your
 	<ul>
 	<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">ALPHA</span></li>
 	<li data-type="custom"><label class="metric_detail">Type:</label> <span class="metric_type">Custom</span></li>
-	<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">cluster</span></li></ul>
+	<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">storage_cluster_id</span></li></ul>
 	</div><div class="metric" data-stability="alpha">
 	<div class="metric_name">apiserver_storage_transformation_duration_seconds</div>
 	<div class="metric_help">Latencies in seconds of value transformation operations.</div>
diff --git a/test/instrumentation/testdata/stable-metrics-list.yaml b/test/instrumentation/testdata/stable-metrics-list.yaml
index 11738980ed6..e5888bec895 100644
--- a/test/instrumentation/testdata/stable-metrics-list.yaml
+++ b/test/instrumentation/testdata/stable-metrics-list.yaml
@@ -314,7 +314,7 @@
   type: Custom
   stabilityLevel: STABLE
   labels:
-  - cluster
+  - storage_cluster_id
 - name: container_cpu_usage_seconds_total
   help: Cumulative cpu time consumed by the container in core-seconds
   type: Custom