Updated README.

README.md

@@ -6,20 +6,22 @@
 
 ![devices-mockup](https://raw.githubusercontent.com/cotes2020/jekyll-theme-chirpy/master/assets/img/sample/devices-mockup.png)
 
-A minimal, portfolio, sidebar, Bootstrap Jekyll theme with responsive web design and focuses on text presentation. Hope you like it! [Live Demo »](https://chirpy.cotes.info)
+A minimal, portfolio, sidebar, bootstrap Jekyll theme with responsive web design and focuses on text presentation. Hope you like it! [Live Demo »](https://chirpy.cotes.info)
 
 ## Features
 
-* Last modified date
+* Posts' Last Modified Date
 * Table of Contents
 * Disqus Comments
 * Syntax highlighting
 * Two Level Categories
 * Search
-* HTML compress
-* Atom feeds
+* HTML Compress
+* Atom Feeds
 * Google Analytics
-* Pageviews (Advanced)
+* GA Pageviews (Advanced)
+* SEO Tag
+* Performance Optimization
 
 ## Getting Started