fix broken image under create repo

git-tutorial.md

@@ -89,7 +89,7 @@ and you should be good to go!
 
 To create a (new, public) repository, go to you're github dashboard (simply github.com, once you're logged in to your account) and click on the "New Repository" button
 
-![](https://skitch.com/sbysp/gc74q/your-dashboard-github)
+![create-repo](https://skitch.com/sbysp/gc74q/your-dashboard-github)
 
 Next, you'll need to run <code>git init</code> in Terminal in the directory you want to be add to your repo. In this case, this will be the relevant TileMill project folder in <code>/Users/[you]/Documents/project</code> This __init__ializes your git repo, creating a .git file in your current directory where all of your changes will be tracked.