better readability

Author: mesqueeb

.verb.md

@@ -5,14 +5,16 @@ Sort an array by the given object property:
 ```js
 var arraySort = require('{%= name %}');
 
-arraySort([{foo: 'y'}, {foo: 'z'}, {foo: 'x'}], 'foo');
+var arr = [{foo: 'y'}, {foo: 'z'}, {foo: 'x'}];
+arraySort(arr, 'foo');
 //=> [{foo: 'x'}, {foo: 'y'}, {foo: 'z'}]
 ```
 
 **Reverse order**
 
 ```js
-arraySort([{foo: 'y'}, {foo: 'z'}, {foo: 'x'}], 'foo', {reverse: true});
+var arr = [{foo: 'y'}, {foo: 'z'}, {foo: 'x'}];
+arraySort(arr, 'foo', {reverse: true});
 //=> [{foo: 'z'}, {foo: 'y'}, {foo: 'x'}]
 ```