Update README.md

src/README.md

@@ -7,7 +7,9 @@ From the Semantic directory you can setup gulp to build Semantic by running.
 npm install
 ```
 
-After install finishes you can use gulp commands:
+Semantic will automatically configure itself using a `post-install` script built into the package.
+
+After set-u[ you can use gulp to build your project's css:
 ```bash
 /* Watch files */
 gulp watch