Some typos

Signed-off-by: zouyu <zouy.fnst@cn.fujitsu.com>

pkg/apis/kops/instancegroup.go

@@ -288,7 +288,7 @@ func (g *InstanceGroup) AddInstanceGroupNodeLabel() {
 	g.Spec.NodeLabels[NodeLabelInstanceGroup] = g.Name
 }
 
-// LoadBalancers defines a load balancer
+// LoadBalancer defines a load balancer
 type LoadBalancer struct {
 	// LoadBalancerName to associate with this instance group (AWS ELB)
 	LoadBalancerName *string `json:"loadBalancerName,omitempty"`

pkg/apis/nodeup/bootstrap.go

@@ -26,7 +26,7 @@ type BootstrapRequest struct {
 	Certs map[string]string `json:"certs"`
 }
 
-// BootstrapRespose is a response to a BootstrapRequest.
+// BootstrapResponse is a response to a BootstrapRequest.
 type BootstrapResponse struct {
 	// Certs are the issued certificates.
 	Certs map[string]string

pkg/instancegroups/instancegroups.go

@@ -597,7 +597,7 @@ func (c *RollingUpdateCluster) deleteNode(node *corev1.Node) error {
 	return nil
 }
 
-// UpdateSingeInstance performs a rolling update on a single instance
+// UpdateSingleInstance performs a rolling update on a single instance
 func (c *RollingUpdateCluster) UpdateSingleInstance(cloudMember *cloudinstances.CloudInstance, detach bool) error {
 	if detach {
 		if cloudMember.CloudInstanceGroup.InstanceGroup.IsMaster() {