better formatting for intro links

README.md

@@ -5,8 +5,9 @@ Add Math to your Markdown
 [KaTeX](https://github.com/Khan/KaTeX) is a faster alternative to MathJax. This plugin makes it easy to support in your markdown.
 
 Need convincing?
-Check out the comparative benchmark: [KaTeX vs MathJax](https://jsperf.com/katex-vs-mathjax/42)
-Try it in your browser: [markdown-it-katex demo](http://waylonflinn.github.io/markdown-it-katex/)
+
+* Check out the comparative benchmark: [KaTeX vs MathJax](https://jsperf.com/katex-vs-mathjax/42)
+* Try it in your browser: [markdown-it-katex demo](http://waylonflinn.github.io/markdown-it-katex/)
 
 ## Usage