Switch SASS to Sass. :)

README.md

@@ -23,7 +23,7 @@ Key Features
 
 ## Contributing
 * **Missing documentation in your language?** Help us make Semantic available in more languages by [joining our translation community](https://www.transifex.com/organization/semantic-org/)
-* **Want to help with integration?** Projects are organizing for official [Meteor](https://github.com/Semantic-Org/Semantic-UI-Meteor), and [Angular](https://github.com/Semantic-Org/Semantic-UI-Angular) integrations as well as a [SASS](https://github.com/Semantic-Org/Semantic-UI-SASS) port. Join the discussion on their respective boards.
+* **Want to help with integration?** Projects are organizing for official [Meteor](https://github.com/Semantic-Org/Semantic-UI-Meteor), and [Angular](https://github.com/Semantic-Org/Semantic-UI-Angular) integrations as well as a [Sass](https://github.com/Semantic-Org/Semantic-UI-SASS) port. Join the discussion on their respective boards.
 * **Want to help others learn concepts behind Semantic?** [Learnsemantic.com](http://www.learnsemantic.com) needs articles to help others get others up to speed with Semantic UI. [Send me an e-mail](mailto:jack@semantic-ui.com) if you are interested.