docs: fix method useAllFormFields on admin/hooks.mdx (#10935)

Author: n0mad-d3v

docs/admin/react-hooks.mdx

@@ -135,7 +135,7 @@ const ExampleComponent: React.FC = () => {
 
 #### Updating other fields' values
 
-If you are building a Custom Component, then you should use `setValue` which is returned from the `useField` hook to programmatically set your field's value. But if you're looking to update _another_ field's value, you can use `dispatchFields` returned from `useFormFields`.
+If you are building a Custom Component, then you should use `setValue` which is returned from the `useField` hook to programmatically set your field's value. But if you're looking to update _another_ field's value, you can use `dispatchFields` returned from `useAllFormFields`.
 
 You can send the following actions to the `dispatchFields` function.