Merge pull request #2529 from Shaglock/patch-1

Fix typo in tutorial

docs/Tutorial.md

@@ -441,7 +441,7 @@ Users can display the edit page just by clicking on a row in the post datagrid.
 
 Copy the `PostEdit` code dumped by the guesser in the console to the `posts.js` file so that you can customize the view. Don't forget to `import` the new components from react-admin.
 
-You can now adjust the `PostEdit` component to disable the edition of the primary key (`id`), place it first, use the user `name` instead of the user `id` in the reference, and use a longer test input for the `body` field, as follows:
+You can now adjust the `PostEdit` component to disable the edition of the primary key (`id`), place it first, use the user `name` instead of the user `id` in the reference, and use a longer text input for the `body` field, as follows:
 
 ```diff
 // in src/posts.js