docs(README): fix defaultOptions explanation

README.md

@@ -147,21 +147,18 @@ Output renderers to use. Output is rendered by renderers in order. You can creat
 Returns default options object for createFormatter function. In other words, returns
 
 ```javascript
-module.exports = function defaultOptions () {
-    'use strict';
-    return {
-        lineDiffThreshold: 5,
-        maxDepth: 1,
-        anonymous: 'Object',
-        circular: '#@Circular#',
-        lineSeparator: '\n',
-        renderers: [
-            './built-in/file',
-            './built-in/assertion',
-            './built-in/diagram',
-            './built-in/binary-expression'
-        ]
-    };
+{
+    lineDiffThreshold: 5,
+    maxDepth: 1,
+    anonymous: 'Object',
+    circular: '#@Circular#',
+    lineSeparator: '\n',
+    renderers: [
+        './built-in/file',
+        './built-in/assertion',
+        './built-in/diagram',
+        './built-in/binary-expression'
+    ]
 };
 ```