docs: fix link text for ng config

Author: beeman

docs/documentation/home.md

@@ -52,7 +52,7 @@ End-to-end tests are run via [Protractor](https://angular.github.io/protractor/)
 * [ng test](test)
 * [ng e2e](e2e)
 * [ng build](build)
-* [ng get/ng set](config)
+* [ng config](config)
 * [ng doc](doc)
 * [ng xi18n](xi18n)
 * [ng update](update)