Fix Woocommerce link in readme

Author: lord

README.md

@@ -72,7 +72,7 @@ Companies Using Slate
 * [Best Buy](https://bestbuyapis.github.io/api-documentation/)
 * [Travis-CI](https://docs.travis-ci.com/api/)
 * [Greenhouse](https://developers.greenhouse.io/harvest.html)
-* [Woocommerce](http://woothemes.github.io/woocommerce-rest-api-docs/)
+* [Woocommerce](http://woocommerce.github.io/woocommerce-rest-api-docs/)
 * [Appium](http://appium.io/slate/en/master)
 * [Dwolla](https://docs.dwolla.com/)
 * [Clearbit](https://clearbit.com/docs)