fix: comment on preferred PodAntiAffinity

Author: jingyuanliang

pkg/apis/core/types.go

@@ -3213,8 +3213,8 @@ type PodAntiAffinity struct {
 	// most preferred is the one with the greatest sum of weights, i.e.
 	// for each node that meets all of the scheduling requirements (resource
 	// request, requiredDuringScheduling anti-affinity expressions, etc.),
-	// compute a sum by iterating through the elements of this field and adding
-	// "weight" to the sum if the node has pods which matches the corresponding podAffinityTerm; the
+	// compute a sum by iterating through the elements of this field and subtracting
+	// "weight" from the sum if the node has pods which matches the corresponding podAffinityTerm; the
 	// node(s) with the highest sum are the most preferred.
 	// +optional
 	PreferredDuringSchedulingIgnoredDuringExecution []WeightedPodAffinityTerm

staging/src/k8s.io/api/core/v1/types.go

@@ -3597,8 +3597,8 @@ type PodAntiAffinity struct {
 	// most preferred is the one with the greatest sum of weights, i.e.
 	// for each node that meets all of the scheduling requirements (resource
 	// request, requiredDuringScheduling anti-affinity expressions, etc.),
-	// compute a sum by iterating through the elements of this field and adding
-	// "weight" to the sum if the node has pods which matches the corresponding podAffinityTerm; the
+	// compute a sum by iterating through the elements of this field and subtracting
+	// "weight" from the sum if the node has pods which matches the corresponding podAffinityTerm; the
 	// node(s) with the highest sum are the most preferred.
 	// +optional
 	// +listType=atomic