diff --git a/README.md b/README.md
index 0ea1ec8..cd0d846 100644
--- a/README.md
+++ b/README.md
@@ -36,17 +36,17 @@ Add the following to your `jest.config.js` file:
 Airtable scripts are always run within the context of a base. To test your scripts locally, you will need to generate an object that stores all the tables, fields, views, and records in your base. You can do this by using the [Test Fixture Generator extension](https://airtable.com/marketplace/blk5qI32GYyYb1Rbm/test-fixture-generator).
 
 > [!IMPORTANT]
-> The Test Fixture Generator extension **has a bug** that means you need to edit the output and can't just paste it into a new file.
+> The Test Fixture Generator extension assumes you are generating code for testing within an Airtable extension. You will need to change the output before importing it into your test.
 
-To fix the file generated by the Test Fixture Generator extension, you need to remove the `mockSdkWithFixtureData` function and export the fixture data object directly:
+To fix the file generated by the Test Fixture Generator extension, you need to remove the `TestDriver` class and export the fixture data object directly:
 
 ```js
 import { FieldType, ViewType } from '@airtable/blocks/models'
-import { mockSdkWithFixtureData } from '@airtable/blocks/testing'
-export default mockSdkWithFixtureData({ ...data })
+import TestDriver from '@airtable/blocks-testing'
+export default new TestDriver({ ...data })
 ```
 
-Remove all references to `mockSdkWithFixtureData` so that you just export the fixture data object:
+Remove all references to `TestDriver` so that you just export the fixture data object:
 
 ```js
 import { FieldType, ViewType } from '@airtable/blocks/models'