Fix typos

pkg/scheduler/algorithm/predicates/predicates.go

@@ -950,7 +950,7 @@ func (n *NodeLabelChecker) CheckNodeLabelPresence(pod *v1.Pod, meta PredicateMet
 	return true, nil, nil
 }
 
-// ServiceAffinity defines a struct used for create service affinity predicates.
+// ServiceAffinity defines a struct used for creating service affinity predicates.
 type ServiceAffinity struct {
 	podLister     algorithm.PodLister
 	serviceLister algorithm.ServiceLister
@@ -1012,7 +1012,7 @@ func NewServiceAffinityPredicate(podLister algorithm.PodLister, serviceLister al
 //
 // 	To do this, we "reverse engineer" a selector by introspecting existing pods running under the same service+namespace.
 //	These backfilled labels in the selector "L" are defined like so:
-// 		- L is a label that the ServiceAffinity object needs as a matching constraints.
+// 		- L is a label that the ServiceAffinity object needs as a matching constraint.
 // 		- L is not defined in the pod itself already.
 // 		- and SOME pod, from a service, in the same namespace, ALREADY scheduled onto a node, has a matching value.
 //

pkg/scheduler/algorithm/priorities/node_affinity.go

@@ -27,7 +27,7 @@ import (
 )
 
 // CalculateNodeAffinityPriorityMap prioritizes nodes according to node affinity scheduling preferences
-// indicated in PreferredDuringSchedulingIgnoredDuringExecution. Each time a node match a preferredSchedulingTerm,
+// indicated in PreferredDuringSchedulingIgnoredDuringExecution. Each time a node matchs a preferredSchedulingTerm,
 // it will a get an add of preferredSchedulingTerm.Weight. Thus, the more preferredSchedulingTerms
 // the node satisfies and the more the preferredSchedulingTerm that is satisfied weights, the higher
 // score the node gets.

pkg/scheduler/algorithm/priorities/types_test.go

@@ -25,7 +25,7 @@ import (
 	schedulernodeinfo "k8s.io/kubernetes/pkg/scheduler/nodeinfo"
 )
 
-// EmptyPriorityMetadataProducer should returns a no-op PriorityMetadataProducer type.
+// EmptyPriorityMetadataProducer should return a no-op PriorityMetadataProducer type.
 func TestEmptyPriorityMetadataProducer(t *testing.T) {
 	fakePod := new(v1.Pod)
 	fakeLabelSelector := labels.SelectorFromSet(labels.Set{"foo": "bar"})