Apply suggestions from code review

Co-authored-by: Iago López Galeiras <iago@kinvolk.io>

Author: invidian

pkg/platform/aks/aks.go

@@ -331,8 +331,8 @@ func (c *config) PostApplyHook(kubeconfig []byte) error {
 	return waitForDefaultStorageClass(client.StorageV1().StorageClasses())
 }
 
-// waitForDefaultStorageClass wait until default storage class appears on a given cluster.
-// If it doesn't within defined time range, error is returned.
+// waitForDefaultStorageClass waits until the default storage class appears on a given cluster.
+// If it doesn't appear within a defined time range, an error is returned.
 func waitForDefaultStorageClass(sci v1.StorageClassInterface) error {
 	// AKS still uses annotation with .beta.
 	defaultStorageClassAnnotation := "storageclass.beta.kubernetes.io/is-default-class"

pkg/platform/platform.go

@@ -74,9 +74,9 @@ type Platform interface {
 	Meta() Meta
 }
 
-// PostApplyHook is an interface, which platforms may optionally implement. If they do so,
-// after Terraform finishes applying, kubeconfig content will be passed to this function and
-// executed. This allows running sanity checks on the newly created cluster.
+// PostApplyHook runs code after Terraform finishes applying. This allows
+// running sanity checks on the newly created cluster. Implementing this
+// interface is optional for platforms.
 type PostApplyHook interface {
 	PostApplyHook(kubeconfig []byte) error
 }