diff --git a/tests/e2e/api/src/models/products/external-product.ts b/tests/e2e/api/src/models/products/external-product.ts
index c061258fa71..e038d2be9a6 100644
--- a/tests/e2e/api/src/models/products/external-product.ts
+++ b/tests/e2e/api/src/models/products/external-product.ts
@@ -39,7 +39,7 @@ export type ExternalProductRepositoryParams =
 	ModelRepositoryParams< ExternalProduct, never, ProductSearchParams, ExternalProductUpdateParams >;
 
 /**
- * An interface for listing simple products using the repository.
+ * An interface for listing external products using the repository.
  *
  * @typedef ListsExternalProducts
  * @alias ListsModels.<ExternalProduct>
@@ -47,7 +47,7 @@ export type ExternalProductRepositoryParams =
 export type ListsExternalProducts = ListsModels< ExternalProductRepositoryParams >;
 
 /**
- * An interface for creating simple products using the repository.
+ * An interface for external simple products using the repository.
  *
  * @typedef CreatesExternalProducts
  * @alias CreatesModels.<ExternalProduct>
@@ -55,7 +55,7 @@ export type ListsExternalProducts = ListsModels< ExternalProductRepositoryParams
 export type CreatesExternalProducts = CreatesModels< ExternalProductRepositoryParams >;
 
 /**
- * An interface for reading simple products using the repository.
+ * An interface for reading external products using the repository.
  *
  * @typedef ReadsExternalProducts
  * @alias ReadsModels.<ExternalProduct>
@@ -63,7 +63,7 @@ export type CreatesExternalProducts = CreatesModels< ExternalProductRepositoryPa
 export type ReadsExternalProducts = ReadsModels< ExternalProductRepositoryParams >;
 
 /**
- * An interface for updating simple products using the repository.
+ * An interface for updating external products using the repository.
  *
  * @typedef UpdatesExternalProducts
  * @alias UpdatesModels.<ExternalProduct>
@@ -71,7 +71,7 @@ export type ReadsExternalProducts = ReadsModels< ExternalProductRepositoryParams
 export type UpdatesExternalProducts = UpdatesModels< ExternalProductRepositoryParams >;
 
 /**
- * An interface for deleting simple products using the repository.
+ * An interface for deleting external products using the repository.
  *
  * @typedef DeletesExternalProducts
  * @alias DeletesModels.<ExternalProduct>
@@ -79,7 +79,7 @@ export type UpdatesExternalProducts = UpdatesModels< ExternalProductRepositoryPa
 export type DeletesExternalProducts = DeletesModels< ExternalProductRepositoryParams >;
 
 /**
- * The base for the simple product object.
+ * The base for the external product object.
  */
 export class ExternalProduct extends AbstractProduct implements
 	IProductCommon,
diff --git a/tests/e2e/api/src/repositories/rest/products/shared.ts b/tests/e2e/api/src/repositories/rest/products/shared.ts
index cdeb81e67cd..82ad76a140d 100644
--- a/tests/e2e/api/src/repositories/rest/products/shared.ts
+++ b/tests/e2e/api/src/repositories/rest/products/shared.ts
@@ -189,6 +189,9 @@ export function createProductTransformer< T extends AbstractProduct >(
 	return new ModelTransformer( transformations );
 }
 
+/**
+ * Create a transformer for the product cross sells property.
+ */
 export function createProductCrossSellsTransformation(): ModelTransformation[] {
 	const transformations = [
 		new PropertyTypeTransformation(
@@ -206,6 +209,9 @@ export function createProductCrossSellsTransformation(): ModelTransformation[] {
 	return transformations;
 }
 
+/**
+ * Create a transformer for the product upsells property.
+ */
 export function createProductUpSellsTransformation(): ModelTransformation[] {
 	const transformations = [
 		new PropertyTypeTransformation(
@@ -223,6 +229,9 @@ export function createProductUpSellsTransformation(): ModelTransformation[] {
 	return transformations;
 }
 
+/**
+ * Create a transformer for product delivery properties.
+ */
 export function createProductDeliveryTransformation(): ModelTransformation[] {
 	const transformations = [
 		new ModelTransformerTransformation( 'downloads', ProductDownload, createProductDownloadTransformer() ),
@@ -249,6 +258,9 @@ export function createProductDeliveryTransformation(): ModelTransformation[] {
 	return transformations;
 }
 
+/**
+ * Create a transformer for product inventory properties.
+ */
 export function createProductInventoryTransformation(): ModelTransformation[] {
 	const transformations = [
 		new PropertyTypeTransformation(
@@ -278,6 +290,9 @@ export function createProductInventoryTransformation(): ModelTransformation[] {
 	return transformations;
 }
 
+/**
+ * Create a transformer for product sales tax properties.
+ */
 export function createProductSalesTaxTransformation(): ModelTransformation[] {
 	const transformations = [
 		new PropertyTypeTransformation(
@@ -297,6 +312,9 @@ export function createProductSalesTaxTransformation(): ModelTransformation[] {
 	return transformations;
 }
 
+/**
+ * Create a transformer for product shipping properties.
+ */
 export function createProductShippingTransformation(): ModelTransformation[] {
 	const transformations = [
 		new CustomTransformation(