Update part2a.md

spelling check

Author: vietstone-ng

src/content/2/en/part2a.md

@@ -414,7 +414,7 @@ import ReactDOM from "react-dom/client"
 import App from "./App"
 ```
 
-[import](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import) two modules, enabling them to be used in that file. The module <i>react-dom/client</i> into the variable _ReactDOM_, and the module that defines the main component of the app is placed into the variable _App_
+[import](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import) two modules, enabling them to be used in that file. The module <i>react-dom/client</i> is placed into the variable _ReactDOM_, and the module that defines the main component of the app is placed into the variable _App_
 
 Let's move our <i>Note</i> component into its own module.