Fix/tictactoe docs invalid file names

src/content/learn/tutorial-tic-tac-toe.md

@@ -283,7 +283,7 @@ In CodeSandbox you'll see three main sections:
 
 ![CodeSandbox with starter code](../images/tutorial/react-starter-code-codesandbox.png)
 
-1. The _Files_ section with a list of files like `App.js`, `index.js`, `styles.css` and a folder called `public`
+1. The _Files_ section with a list of files like `App.js`, `index.js`, `styles.css` in `src` folder and a folder called `public`
 1. The _code editor_ where you'll see the source code of your selected file
 1. The _browser_ section where you'll see how the code you've written will be displayed
 
@@ -431,7 +431,7 @@ At this point your code should look something like this:
 
 <Sandpack>
 
-```js
+```js src/App.js
 export default function Board() {
   return (
     <>
@@ -2915,4 +2915,4 @@ If you have extra time or want to practice your new React skills, here are some
 1. When someone wins, highlight the three squares that caused the win (and when no one wins, display a message about the result being a draw).
 1. Display the location for each move in the format (row, col) in the move history list.
 
-Throughout this tutorial, you've touched on React concepts including elements, components, props, and state. Now that you've seen how these concepts work when building a game, check out [Thinking in React](/learn/thinking-in-react) to see how the same React concepts work when building an app's UI.
+Throughout this tutorial, you've touched on React concepts including elements, components, props, and state. Now that you've seen how these concepts work when building a game, check out [Thinking in React](/learn/thinking-in-react) to see how the same React concepts work when building an app's UI.