Typo in example in demo

IvanSanchez · IvanSanchez · commit c95baaa3335d · 2017-01-27T08:42:50.000Z
diff --git a/README.md b/README.md
@@ -25,7 +25,7 @@ export default {
 	entry: 'src/index.js',
 	dest: 'dist/my-lib.js',
 	plugins: [
-		unassert()
+		rollupUnassert()
 	]
 };
 ```
