diff --git a/README.md b/README.md
index 5ad9163..e897c4f 100644
--- a/README.md
+++ b/README.md
@@ -116,22 +116,23 @@ Showdown allows additional functionality to be loaded via extensions.
-var converter = new Showdown().converter({
- extensions: [
- Showdown.extensions.twitter
- ]
-})
+var converter = new Showdown().converter({ extensions: 'twitter' });
```
### Server-side Extension Usage
```js
+// Using a bundled extension
var Showdown = require('showdown');
-var twitter = Showdown.extensions.twitter;
-var converter = new Showdown().converter({ extensions: [twitter] });
+var converter = new Showdown().converter({ extensions: ['twitter'] });
+
+// Using a custom extension
+var mine = require('./custom-extensions/mine');
+var converter = new Showdown().converter({ extensions: ['twitter', mine] });
```
+
Known Differences in Output
---------------------------