DOC: revise order of urlchange invocation

docs/urlchange.md

@@ -7,7 +7,7 @@ Suppose we have buttons that sort based on "City" or "Sales". These are usually
 bound directly to DOM events like this:
 
 ```html
-<!-- DO NOT DO THIS -- this example shows what should NOT be done -->
+<!-- DO NOT DO THIS -- this example shows a BAD practice -->
 <button class="sort">City</button>
 <button class="sort">Sales</button>
 <script>
@@ -32,8 +32,8 @@ Now, changes in the URL should trigger actions:
 
 ```js
 $(window)
-  .urlchange()    // URL changes trigger '#?city' events
-  .on('#?city', function(e, city) { action(city) })
+  .on('#?city', function(e, city) { action(city) })   // Listen to #? events
+  .urlchange()                                        // Enable these events
 ```
 
 Examples: