diff --git a/aio/content/guide/dependency-injection-providers.md b/aio/content/guide/dependency-injection-providers.md
index 47429e0655..dec2eda6ee 100644
--- a/aio/content/guide/dependency-injection-providers.md
+++ b/aio/content/guide/dependency-injection-providers.md
@@ -456,7 +456,7 @@ the [ROUTES](api/router/ROUTES) token combines all the different provided sets o
 路由器也同样用多个提供商关联到了一个令牌。
 当你在单个模块中用 [RouterModule.forRoot](api/router/RouterModule#forroot) 和 [RouterModule.forChild](api/router/RouterModule#forchild) 提供了多组路由时，[ROUTES](api/router/ROUTES) 令牌会把这些不同的路由组都合并成一个单一值。
 
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+<div class="alert is-helpful">
 
 Search for [Constants in API documentation](api?type=const) to find more built-in tokens. 
 
diff --git a/aio/content/guide/deployment.md b/aio/content/guide/deployment.md
index e6901942b6..2c455d5465 100644
--- a/aio/content/guide/deployment.md
+++ b/aio/content/guide/deployment.md
@@ -82,7 +82,7 @@ You can see your deployed page at `https://<user_name>.github.io/<project_name>/
 
 你可以到 `https://<user_name>.github.io/<project_name>/` 中查看部署好的页面。
 
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+<div class="alert is-helpful">
 
  Check out [angular-cli-ghpages](https://github.com/angular-buch/angular-cli-ghpages), a full featured package that does all this for you and has extra functionality.
 
@@ -347,7 +347,7 @@ them on demand.
 
 可以配置 Angular 的路由器，来推迟所有其它模块（及其相关代码）的加载时机，方法有[一直等到应用启动完毕](guide/router#preloading  "Preloading")，或者当用到时才按需[*惰性加载*](guide/router#asynchronous-routing "Lazy loading")。
 
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+<div class="alert is-helpful">
 
 #### Don't eagerly import something from a lazy-loaded module