Typo corrected - Overview.md (#2089)

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**Summary**

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**Test Plan**

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Pull Request resolved: #2089

Differential Revision: D15821704

Pulled By: claudiopro

fbshipit-source-id: ea47287ffcaecab0addf0e74a6f7e8c36bf50274

Author: joerlop

docs/Overview.md

@@ -66,7 +66,7 @@ ReactDOM.render(
 );
 ```
 
-Since the release of React 16.8, use can use [Hooks](https://reactjs.org/docs/hooks-intro.html) as a way to work with `EditorState` without using a class.
+Since the release of React 16.8, you can use [Hooks](https://reactjs.org/docs/hooks-intro.html) as a way to work with `EditorState` without using a class.
 
 ```js
 import React from 'react';