Fix a typo in example tag

Zhen Li · Zhen Li · commit b2f357c3551c · 2016-04-21T12:22:03.000+02:00
diff --git a/test/v1/examples.test.js b/test/v1/examples.test.js
@@ -255,7 +255,7 @@ describe('examples', function() {
                 console.log(error);
               }
             });
-        // tag::nested-statements[]
+        // end::nested-statements[]
         });
 
     //await the result
