diff --git a/modules/@angular/core/src/zone/ng_zone.ts b/modules/@angular/core/src/zone/ng_zone.ts
index 5ccc434534..2fa205d080 100644
--- a/modules/@angular/core/src/zone/ng_zone.ts
+++ b/modules/@angular/core/src/zone/ng_zone.ts
@@ -22,6 +22,7 @@ import {EventEmitter} from '../facade/async';
  *   -->
  *
  * ### Example
+ *
  * ```
  * import {Component, NgZone} from '@angular/core';
  * import {NgIf} from '@angular/common';
@@ -76,6 +77,7 @@ import {EventEmitter} from '../facade/async';
  *   }
  * }
  * ```
+ *
  * @experimental
  */
 export class NgZone {