diff --git a/packages/ra-test/src/TestContext.tsx b/packages/ra-test/src/TestContext.tsx
index 015fbe18964..6c0755c1f67 100644
--- a/packages/ra-test/src/TestContext.tsx
+++ b/packages/ra-test/src/TestContext.tsx
@@ -55,7 +55,7 @@ const dataProviderDefaultResponse = { data: null };
  * @example
  * // in a react testing-library test, using jest.
  * const utils = render(
- *     <TestContext initialState={{ admin: { resources: { post: { data: { 1: {id: 1, title: 'foo' } } } } } }}>
+ *     <TestContext initialState={{ admin: { resources: { posts: { data: { 1: {id: 1, title: 'foo' } } } } } }}>
  *         {({ store }) => {
  *              dispatchSpy = jest.spyOn(store, 'dispatch');
  *              return <Show {...defaultShowProps} />