Merge pull request #3056 from vlakoff/docblock

Adjust docblock of load_class()
diff --git a/contributing.md b/contributing.md
index b6d486d..29673aa 100644
--- a/contributing.md
+++ b/contributing.md
@@ -20,7 +20,7 @@
 
 ### PHP Style
 
-All code must meet the [Style Guide](http://codeigniter.com/user_guide/general/styleguide.html), which is
+All code must meet the [Style Guide](http://ellislab.com/codeigniter/user-guide/general/styleguide.html), which is
 essentially the [Allman indent style](http://en.wikipedia.org/wiki/Indent_style#Allman_style), underscores and readable operators. This makes certain that all code is the same format as the existing code and means it will be as readable as possible.
 
 ### Documentation