diff --git a/api/v1alpha1/horizontalrunnerautoscaler_types.go b/api/v1alpha1/horizontalrunnerautoscaler_types.go
index a4a8cc06..138d8da1 100644
--- a/api/v1alpha1/horizontalrunnerautoscaler_types.go
+++ b/api/v1alpha1/horizontalrunnerautoscaler_types.go
@@ -133,7 +133,7 @@ type ScaleTargetRef struct {
 
 type MetricSpec struct {
 	// Type is the type of metric to be used for autoscaling.
-	// The only supported Type is TotalNumberOfQueuedAndInProgressWorkflowRuns
+	// It can be TotalNumberOfQueuedAndInProgressWorkflowRuns or PercentageRunnersBusy.
 	Type string `json:"type,omitempty"`
 
 	// RepositoryNames is the list of repository names to be used for calculating the metric.
@@ -173,7 +173,7 @@ type MetricSpec struct {
 }
 
 // ScheduledOverride can be used to override a few fields of HorizontalRunnerAutoscalerSpec on schedule.
-// A schedule can optionally be recurring, so that the correspoding override happens every day, week, month, or year.
+// A schedule can optionally be recurring, so that the corresponding override happens every day, week, month, or year.
 type ScheduledOverride struct {
 	// StartTime is the time at which the first override starts.
 	StartTime metav1.Time `json:"startTime"`
diff --git a/api/v1alpha1/runnerdeployment_types.go b/api/v1alpha1/runnerdeployment_types.go
index 588a6855..693dbaec 100644
--- a/api/v1alpha1/runnerdeployment_types.go
+++ b/api/v1alpha1/runnerdeployment_types.go
@@ -33,7 +33,7 @@ type RunnerDeploymentSpec struct {
 
 	// EffectiveTime is the time the upstream controller requested to sync Replicas.
 	// It is usually populated by the webhook-based autoscaler via HRA.
-	// The value is inherited to RunnerRepicaSet(s) and used to prevent ephemeral runners from unnecessarily recreated.
+	// The value is inherited to RunnerReplicaSet(s) and used to prevent ephemeral runners from unnecessarily recreated.
 	//
 	// +optional
 	// +nullable
diff --git a/charts/actions-runner-controller/crds/actions.summerwind.dev_horizontalrunnerautoscalers.yaml b/charts/actions-runner-controller/crds/actions.summerwind.dev_horizontalrunnerautoscalers.yaml
index 8f49f1a3..da1fd06b 100644
--- a/charts/actions-runner-controller/crds/actions.summerwind.dev_horizontalrunnerautoscalers.yaml
+++ b/charts/actions-runner-controller/crds/actions.summerwind.dev_horizontalrunnerautoscalers.yaml
@@ -102,7 +102,7 @@ spec:
                         description: ScaleUpThreshold is the percentage of busy runners greater than which will trigger the hpa to scale runners up.
                         type: string
                       type:
-                        description: Type is the type of metric to be used for autoscaling. The only supported Type is TotalNumberOfQueuedAndInProgressWorkflowRuns
+                        description: Type is the type of metric to be used for autoscaling. It can be TotalNumberOfQueuedAndInProgressWorkflowRuns or PercentageRunnersBusy.
                         type: string
                     type: object
                   type: array
@@ -180,7 +180,7 @@ spec:
                 scheduledOverrides:
                   description: ScheduledOverrides is the list of ScheduledOverride. It can be used to override a few fields of HorizontalRunnerAutoscalerSpec on schedule. The earlier a scheduled override is, the higher it is prioritized.
                   items:
-                    description: ScheduledOverride can be used to override a few fields of HorizontalRunnerAutoscalerSpec on schedule. A schedule can optionally be recurring, so that the correspoding override happens every day, week, month, or year.
+                    description: ScheduledOverride can be used to override a few fields of HorizontalRunnerAutoscalerSpec on schedule. A schedule can optionally be recurring, so that the corresponding override happens every day, week, month, or year.
                     properties:
                       endTime:
                         description: EndTime is the time at which the first override ends.
diff --git a/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerdeployments.yaml b/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerdeployments.yaml
index a66495b9..25708b53 100644
--- a/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerdeployments.yaml
+++ b/charts/actions-runner-controller/crds/actions.summerwind.dev_runnerdeployments.yaml
@@ -49,7 +49,7 @@ spec:
               description: RunnerDeploymentSpec defines the desired state of RunnerDeployment
               properties:
                 effectiveTime:
-                  description: EffectiveTime is the time the upstream controller requested to sync Replicas. It is usually populated by the webhook-based autoscaler via HRA. The value is inherited to RunnerRepicaSet(s) and used to prevent ephemeral runners from unnecessarily recreated.
+                  description: EffectiveTime is the time the upstream controller requested to sync Replicas. It is usually populated by the webhook-based autoscaler via HRA. The value is inherited to RunnerReplicaSet(s) and used to prevent ephemeral runners from unnecessarily recreated.
                   format: date-time
                   nullable: true
                   type: string
diff --git a/config/crd/bases/actions.summerwind.dev_horizontalrunnerautoscalers.yaml b/config/crd/bases/actions.summerwind.dev_horizontalrunnerautoscalers.yaml
index 8f49f1a3..da1fd06b 100644
--- a/config/crd/bases/actions.summerwind.dev_horizontalrunnerautoscalers.yaml
+++ b/config/crd/bases/actions.summerwind.dev_horizontalrunnerautoscalers.yaml
@@ -102,7 +102,7 @@ spec:
                         description: ScaleUpThreshold is the percentage of busy runners greater than which will trigger the hpa to scale runners up.
                         type: string
                       type:
-                        description: Type is the type of metric to be used for autoscaling. The only supported Type is TotalNumberOfQueuedAndInProgressWorkflowRuns
+                        description: Type is the type of metric to be used for autoscaling. It can be TotalNumberOfQueuedAndInProgressWorkflowRuns or PercentageRunnersBusy.
                         type: string
                     type: object
                   type: array
@@ -180,7 +180,7 @@ spec:
                 scheduledOverrides:
                   description: ScheduledOverrides is the list of ScheduledOverride. It can be used to override a few fields of HorizontalRunnerAutoscalerSpec on schedule. The earlier a scheduled override is, the higher it is prioritized.
                   items:
-                    description: ScheduledOverride can be used to override a few fields of HorizontalRunnerAutoscalerSpec on schedule. A schedule can optionally be recurring, so that the correspoding override happens every day, week, month, or year.
+                    description: ScheduledOverride can be used to override a few fields of HorizontalRunnerAutoscalerSpec on schedule. A schedule can optionally be recurring, so that the corresponding override happens every day, week, month, or year.
                     properties:
                       endTime:
                         description: EndTime is the time at which the first override ends.
diff --git a/config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml b/config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml
index a66495b9..25708b53 100644
--- a/config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml
+++ b/config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml
@@ -49,7 +49,7 @@ spec:
               description: RunnerDeploymentSpec defines the desired state of RunnerDeployment
               properties:
                 effectiveTime:
-                  description: EffectiveTime is the time the upstream controller requested to sync Replicas. It is usually populated by the webhook-based autoscaler via HRA. The value is inherited to RunnerRepicaSet(s) and used to prevent ephemeral runners from unnecessarily recreated.
+                  description: EffectiveTime is the time the upstream controller requested to sync Replicas. It is usually populated by the webhook-based autoscaler via HRA. The value is inherited to RunnerReplicaSet(s) and used to prevent ephemeral runners from unnecessarily recreated.
                   format: date-time
                   nullable: true
                   type: string