Update getting-started.md

just noticed a small issue with the code listed

docs/getting-started.md

@@ -50,7 +50,7 @@ Once you've got that setup, the simplest thing to experiment with is fetching de
 
 ```
 var user = await client.User.Get("shiftkey");
-Console.WriteLine("{0} has {1} public repositories - go check out their profile at {1}",
+Console.WriteLine("{0} has {1} public repositories - go check out their profile at {2}",
 	user.Name,
 	user.PublicRepos,
 	user.Url);
@@ -60,4 +60,4 @@ If you've authenticated as a given user, you can query their details directly:
 
 ```
 var user = await client.User.Current();
-```
+```