Link @holman

Author: tiimgreen

README.md

@@ -1,6 +1,6 @@
 # GitHub Cheat Sheet
 
-All the hidden and not hidden features of Git and GitHub. This cheat sheet was inspired by Zach Holman's [Git and GitHub Secrets](http://www.confreaks.com/videos/1229-aloharuby2012-git-and-github-secrets) talk at Aloha Ruby Conference 2012 ([slides](https://speakerdeck.com/holman/git-and-github-secrets)) and his [More Git and GitHub Secrets](https://vimeo.com/72955426) talk at WDCNZ 2013 ([slides](https://speakerdeck.com/holman/more-git-and-github-secrets)).
+All the hidden and not hidden features of Git and GitHub. This cheat sheet was inspired by [Zach Holman](https://github.com/holman)'s [Git and GitHub Secrets](http://www.confreaks.com/videos/1229-aloharuby2012-git-and-github-secrets) talk at Aloha Ruby Conference 2012 ([slides](https://speakerdeck.com/holman/git-and-github-secrets)) and his [More Git and GitHub Secrets](https://vimeo.com/72955426) talk at WDCNZ 2013 ([slides](https://speakerdeck.com/holman/more-git-and-github-secrets)).
 
 # Contents