Minor touch-up: asciidoc to markdown conversion

Author: Swaroop C H

what_next.md

@@ -32,7 +32,7 @@ The best way to learn a programming language is to write a lot of code and read
 - [Python Cookbook](http://code.activestate.com/recipes/langs/python/) is an extremely valuable collection of recipes or tips on how to solve certain kinds of problems using Python. This is a must-read for every Python user.
 - [Python Module of the Week](http://pymotw.com/2/contents.html) is another excellent must-read guide to the [Standard Library](./stdlib.md#stdlib).
 
-=== Advice
+## Advice
 
 - [The Hitchhiker's Guide to Python!](http://docs.python-guide.org/en/latest/)
 - [Python Big Picture](http://slott-softwarearchitect.blogspot.ca/2013/06/python-big-picture-whats-roadmap.html)