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