docs(gen:README): fix paths for css in injection section

Closes #645

Author: Awk34

Diff for: readme.md

@@ -59,9 +59,9 @@ Run `grunt` for building, `grunt serve` for preview, and `grunt serve:dist` for
 
 A grunt task looks for new files in your `client/app` and `client/components` folder and automatically injects them in the appropriate places based on an injection block.
 
-* `less` files into `client/app.less`
-* `scss` files into `client/app.scss`
-* `stylus` files into `client/app.styl`
+* `less` files into `client/app/app.less`
+* `scss` files into `client/app/app.scss`
+* `stylus` files into `client/app/app.styl`
 * `css` files into `client/index.html`
 * `js` files into `client/index.html`
 * `babel` temp `js` files into `client/index.html`