fix: attribute-directives.

public/docs/ts/latest/guide/attribute-directives.jade

@@ -36,6 +36,7 @@ a#directive-overview
   ## 指令概览
   
   There are three kinds of directives in Angular:
+
   在Angular中有三种类型的指令：
   
   1. Components—directives with a template.
@@ -57,6 +58,7 @@ a#directive-overview
 
   *Attribute directives* are used as attributes of elements. The built-in [NgStyle](template-syntax.html#ngStyle) directive in the [Template Syntax](template-syntax.html) page, for example,
   can change several element styles at the same time.
+
   *属性型*指令改变一个元素的外观或行为。比如，内置的[NgStyle](template-syntax.html#ngStyle)指令可以同时修改元素的多种样式。
 
 .l-main-section
@@ -221,6 +223,7 @@ p
 +makeExample('attribute-directives/ts/app/app.component.1.html',null,'app/app.component.html')(format=".")
 :marked
   Now reference this template in the `AppComponent`:
+
   现在，引用`AppComponent`的模板：
 +makeExample('attribute-directives/ts/app/app.component.ts',null,'app/app.component.ts')
 :marked
@@ -540,8 +543,9 @@ figure.image-display
   ## 总结
   
   This page covered how to:
+
   本章介绍了如何：
-  - [Build a simple **attribute directive** to attach behavior to an HTML element](#write-directive).
+  - [Build a simple **attribute directive** to attach behavior to an HTML element](#write-directive)
   - [构建一个简单的**属性型指令**来为一个HTML元素添加行为](#write-directive)，
   - [Use that directive in a template](#apply-directive).
   - [在模板中使用那个指令](#apply-directive)，