Update README.md

Author: learning-zone

README.md

@@ -561,7 +561,7 @@ The defer attribute tells the browser to only execute the script file once the H
 ```html
 <!-- 
  Without async or defer, browser will run your script immediately, 
- before rendering the elements that's below your script tag. 
+ before rendering the elements. 
 -->
 <script src="myscript.js"></script>