fix minor typos

Author: yashbhutwala

docs/book/src/cronjob-tutorial/testdata/project/controllers/cronjob_controller.go

@@ -447,7 +447,7 @@ func (r *CronJobReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
 	}
 
 	/*
-		Once we've figured out what to do with existing jobs, we'll actually create our desired job
+	Once we've figured out what to do with existing jobs, we'll actually create our desired job
 	*/
 
 	/*
@@ -508,7 +508,7 @@ func (r *CronJobReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
 	/*
 	### 7: Requeue when we either see a running job or it's time for the next scheduled run
 
-	Finally, we'll return the result that we prepped above, that says we want to requue
+	Finally, we'll return the result that we prepped above, that says we want to requeue
 	when our next run would need to occur.  This is taken as a maximum deadline -- if something
 	else changes in between, like our job starts or finishes, we get modified, etc, we might
 	reconcile again sooner.

docs/book/src/cronjob-tutorial/testdata/project/main.go

@@ -20,7 +20,7 @@ import (
 	"flag"
 	"os"
 
-	kbatchv1beta1 "k8s.io/api/batch/v1"
+	kbatchv1 "k8s.io/api/batch/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
 	ctrl "sigs.k8s.io/controller-runtime"
@@ -34,10 +34,10 @@ import (
 
 /*
 The first difference to notice is that kubebuilder has added the new API
-group's package (`kbatchv1beta1`) to our scheme.  This means that we can use those
+group's package (`batchv1`) to our scheme.  This means that we can use those
 objects in our controller.
 
-We'll also need to add the kubernetes batch v1 scheme, since we're creating
+We'll also need to add the kubernetes batch v1 (`kbatchv1`) scheme, since we're creating
 and listing Jobs.
 */
 var (
@@ -47,7 +47,7 @@ var (
 
 func init() {
 
-	kbatchv1beta1.AddToScheme(scheme) // we've added this ourselves
+	kbatchv1.AddToScheme(scheme) // we've added this ourselves
 	batchv1.AddToScheme(scheme)
 	// +kubebuilder:scaffold:scheme
 }

docs/book/src/cronjob-tutorial/webhook-implementation.md

@@ -4,7 +4,7 @@ If you want to implement [admission webhooks](../reference/admission-webhook.md)
 for your CRD, the only thing you need to do is to implement the `Defaulter`
 and (or) the `Validator` interface.
 
-Kubebuilder take care of the rest for you, such as
+Kubebuilder takes care of the rest for you, such as
 
 1. Creating the webhook server.
 1. Ensuring the server has been added in the manager.