diff --git a/staging/src/k8s.io/metrics/pkg/apis/custom_metrics/v1beta1/generated.proto b/staging/src/k8s.io/metrics/pkg/apis/custom_metrics/v1beta1/generated.proto
index 9d4d2596798..56480ebb957 100644
--- a/staging/src/k8s.io/metrics/pkg/apis/custom_metrics/v1beta1/generated.proto
+++ b/staging/src/k8s.io/metrics/pkg/apis/custom_metrics/v1beta1/generated.proto
@@ -42,7 +42,7 @@ message MetricListOptions {
   optional string metricLabelSelector = 2;
 }
 
-// a metric value for some object
+// MetricValue is a metric value for some object
 message MetricValue {
   // a reference to the described object
   optional k8s.io.api.core.v1.ObjectReference describedObject = 1;
@@ -70,7 +70,7 @@ message MetricValue {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 6;
 }
 
-// a list of values for a given metric for some set of objects
+// MetricValueList is a list of values for a given metric for some set of objects
 message MetricValueList {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
 
diff --git a/staging/src/k8s.io/metrics/pkg/apis/external_metrics/v1beta1/generated.proto b/staging/src/k8s.io/metrics/pkg/apis/external_metrics/v1beta1/generated.proto
index 53aec67e6a9..61ab0de649d 100644
--- a/staging/src/k8s.io/metrics/pkg/apis/external_metrics/v1beta1/generated.proto
+++ b/staging/src/k8s.io/metrics/pkg/apis/external_metrics/v1beta1/generated.proto
@@ -29,7 +29,7 @@ import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";
 // Package-wide variables from generator "generated".
 option go_package = "v1beta1";
 
-// a metric value for external metric
+// ExternalMetricValue is a metric value for external metric
 // A single metric value is identified by metric name and a set of string labels.
 // For one metric there can be multiple values with different sets of labels.
 message ExternalMetricValue {
@@ -52,7 +52,7 @@ message ExternalMetricValue {
   optional k8s.io.apimachinery.pkg.api.resource.Quantity value = 5;
 }
 
-// a list of values for a given metric for some set labels
+// ExternalMetricValueList is a list of values for a given metric for some set labels
 message ExternalMetricValueList {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
 
diff --git a/staging/src/k8s.io/metrics/pkg/apis/metrics/v1alpha1/generated.proto b/staging/src/k8s.io/metrics/pkg/apis/metrics/v1alpha1/generated.proto
index 41b8f2e106c..a7d46f46dbd 100644
--- a/staging/src/k8s.io/metrics/pkg/apis/metrics/v1alpha1/generated.proto
+++ b/staging/src/k8s.io/metrics/pkg/apis/metrics/v1alpha1/generated.proto
@@ -30,7 +30,7 @@ import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";
 // Package-wide variables from generator "generated".
 option go_package = "v1alpha1";
 
-// resource usage metrics of a container.
+// ContainerMetrics sets resource usage metrics of a container.
 message ContainerMetrics {
   // Container name corresponding to the one from pod.spec.containers.
   optional string name = 1;
@@ -39,7 +39,7 @@ message ContainerMetrics {
   map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> usage = 2;
 }
 
-// resource usage metrics of a node.
+// NodeMetrics sets resource usage metrics of a node.
 message NodeMetrics {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
 
@@ -63,7 +63,7 @@ message NodeMetricsList {
   repeated NodeMetrics items = 2;
 }
 
-// resource usage metrics of a pod.
+// PodMetrics sets resource usage metrics of a pod.
 message PodMetrics {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
 
diff --git a/staging/src/k8s.io/metrics/pkg/apis/metrics/v1beta1/generated.proto b/staging/src/k8s.io/metrics/pkg/apis/metrics/v1beta1/generated.proto
index 86167a10dc5..2f62317f030 100644
--- a/staging/src/k8s.io/metrics/pkg/apis/metrics/v1beta1/generated.proto
+++ b/staging/src/k8s.io/metrics/pkg/apis/metrics/v1beta1/generated.proto
@@ -30,7 +30,7 @@ import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";
 // Package-wide variables from generator "generated".
 option go_package = "v1beta1";
 
-// resource usage metrics of a container.
+// ContainerMetrics sets resource usage metrics of a container.
 message ContainerMetrics {
   // Container name corresponding to the one from pod.spec.containers.
   optional string name = 1;
@@ -39,7 +39,7 @@ message ContainerMetrics {
   map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> usage = 2;
 }
 
-// resource usage metrics of a node.
+// NodeMetrics sets resource usage metrics of a node.
 message NodeMetrics {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
 
@@ -63,7 +63,7 @@ message NodeMetricsList {
   repeated NodeMetrics items = 2;
 }
 
-// resource usage metrics of a pod.
+// PodMetrics sets resource usage metrics of a pod.
 message PodMetrics {
   optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;