Update readme.md

readme.md

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-
 # wintersmith-stylus
 
-[stylus](http://learnboost.github.com/stylus/docs/js.html) plugin for [wintersmith](https://github.com/jnordberg/wintersmith)
+[stylus](http://learnboost.github.com/stylus/docs/js.html) plugin for [wintersmith](https://github.com/jnordberg/wintersmith).
+
+Now works with [nib](http://visionmedia.github.com/nib/).
 
-install:
+### install:
 
 `npm install wintersmith-stylus -g`
 then add `wintersmith-stylus` to your plugins in the wintersmith config
+
+or locally,
+
+    npm install wintersmith-stylus
+
+then add `./node_modules/wintersmith-stylus/` to `config.json` like:
+
+    {
+      "locals": {
+        "url": "http://localhost:8080",
+        "name": "The Wintersmith's blog",
+        "owner": "The Wintersmith",
+        "description": "-32°C ain't no problems!",
+        "index_articles": 3
+      },
+      "plugins": [
+        "./node_modules/wintersmith-stylus/"
+      ]
+    }
+
+
+### Test
+
+Test is written using [Mocha](http://visionmedia.github.com/mocha/). Install it globally, then run
+
+    $ mocha