Fixed broken link

README.md

@@ -113,7 +113,7 @@ More over, if your pull request contains JavaScript patches or features, you mus
 
 Editor preferences are available in the [editor config](.editorconfig) for easy use in common text editors. Read more and download plugins at [http://editorconfig.org](http://editorconfig.org).
 
-With v3.1, we're moving from the Apache 2 to the MIT license for the Bootstrap code (not the docs). Please see the [contributing guidelines](strap/blob/master/CONTRIBUTING.md) for more information.
+With v3.1, we're moving from the Apache 2 to the MIT license for the Bootstrap code (not the docs). Please see the [contributing guidelines](https://github.com/twbs/bootstrap/blob/master/CONTRIBUTING.md) for more information.
 
 
 ## Community