Update jsx-in-depth.md (facebook#9178)

* Update jsx-in-depth.md

Line 9 isn't changed

* Move selection down

* Fix

(cherry picked from commit ccb38a9)

docs/docs/jsx-in-depth.md

@@ -152,7 +152,7 @@ function Story(props) {
 
 To fix this, we will assign the type to a capitalized variable first:
 
-```js{9-11}
+```js{10-12}
 import React from 'react';
 import { PhotoStory, VideoStory } from './stories';