diff --git a/docs/book/src/cronjob-tutorial/testdata/project/internal/controller/suite_test.go b/docs/book/src/cronjob-tutorial/testdata/project/internal/controller/suite_test.go
index edb60cb7d8d..2114dab924d 100644
--- a/docs/book/src/cronjob-tutorial/testdata/project/internal/controller/suite_test.go
+++ b/docs/book/src/cronjob-tutorial/testdata/project/internal/controller/suite_test.go
@@ -75,7 +75,8 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	/*
-		First, the envtest cluster is configured to read CRDs from the CRD directory Kubebuilder scaffolds for you.
+		The envtest environment is configured to load Custom Resource Definitions (CRDs) from the specified directory.
+		This setup enables the test environment to recognize and interact with the custom resources defined by these CRDs.
 	*/
 	By("bootstrapping test environment")
 	testEnv = &envtest.Environment{
@@ -98,8 +99,8 @@ var _ = BeforeSuite(func() {
 	Expect(cfg).NotTo(BeNil())
 
 	/*
-		The autogenerated test code will add the CronJob Kind schema to the default client-go k8s scheme.
-		This ensures that the CronJob API/Kind will be used in our test controller.
+		The CronJob Kind is added to the runtime scheme used by the test environment.
+		This ensures that the CronJob API is registered with the scheme, allowing the test controller to recognize and interact with CronJob resources.
 	*/
 	err = batchv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
diff --git a/docs/book/src/multiversion-tutorial/testdata/project/internal/controller/suite_test.go b/docs/book/src/multiversion-tutorial/testdata/project/internal/controller/suite_test.go
index edb60cb7d8d..2114dab924d 100644
--- a/docs/book/src/multiversion-tutorial/testdata/project/internal/controller/suite_test.go
+++ b/docs/book/src/multiversion-tutorial/testdata/project/internal/controller/suite_test.go
@@ -75,7 +75,8 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	/*
-		First, the envtest cluster is configured to read CRDs from the CRD directory Kubebuilder scaffolds for you.
+		The envtest environment is configured to load Custom Resource Definitions (CRDs) from the specified directory.
+		This setup enables the test environment to recognize and interact with the custom resources defined by these CRDs.
 	*/
 	By("bootstrapping test environment")
 	testEnv = &envtest.Environment{
@@ -98,8 +99,8 @@ var _ = BeforeSuite(func() {
 	Expect(cfg).NotTo(BeNil())
 
 	/*
-		The autogenerated test code will add the CronJob Kind schema to the default client-go k8s scheme.
-		This ensures that the CronJob API/Kind will be used in our test controller.
+		The CronJob Kind is added to the runtime scheme used by the test environment.
+		This ensures that the CronJob API is registered with the scheme, allowing the test controller to recognize and interact with CronJob resources.
 	*/
 	err = batchv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
diff --git a/hack/docs/internal/cronjob-tutorial/writing_tests_env.go b/hack/docs/internal/cronjob-tutorial/writing_tests_env.go
index dae5490fb6b..cbeff61460f 100644
--- a/hack/docs/internal/cronjob-tutorial/writing_tests_env.go
+++ b/hack/docs/internal/cronjob-tutorial/writing_tests_env.go
@@ -43,13 +43,14 @@ var (
 
 const SuiteTestReadCRD = `
 	/*
-		First, the envtest cluster is configured to read CRDs from the CRD directory Kubebuilder scaffolds for you.
+		The envtest environment is configured to load Custom Resource Definitions (CRDs) from the specified directory.
+		This setup enables the test environment to recognize and interact with the custom resources defined by these CRDs.
 	*/`
 
 const SuiteTestAddSchema = `
 	/*
-		The autogenerated test code will add the CronJob Kind schema to the default client-go k8s scheme.
-		This ensures that the CronJob API/Kind will be used in our test controller.
+		The CronJob Kind is added to the runtime scheme used by the test environment.
+		This ensures that the CronJob API is registered with the scheme, allowing the test controller to recognize and interact with CronJob resources.
 	*/
 	err = batchv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())