home.md

@@ -47,16 +47,16 @@ A huge list of kata including comments and implementation examples can be found
 - [IMPRS Clean Coders](https://pad.gwdg.de/imprs-clean-code-initiative)
 - [IMPRS Python Tipps Pad](https://pad.gwdg.de/imprs-python-computing-tips)
 
-## Presentations
-### IMPRS Talk on Unit Testing
+# Presentations
+## IMPRS Talk on Unit Testing
 [Tools Talk slides](https://owncloud.gwdg.de/index.php/s/vTgSVsmzt3a7zci)
 
-### TDD Examples
+## TDD Examples
 An example of TDDing a class that generates the list of prime factors for a given number by Robert C Martin: [Slides](http://butunclebob.com/files/downloads/Prime%20Factors%20Kata.ppt).
 
 This is a brilliant example in *solving things as simple as possible*. For example the first few tests the list of prime factors is generated by `add [n] if [n] divides [m]` without testing for being prime at all. 
 
-### Google TechTalk
+## Google TechTalk
 [Design Tech Talk: OO Design for Testability](https://www.youtube.com/watch?v=acjvKJiOvXw)
 
 # Books