diff --git a/aio/content/guide/change-log.md b/aio/content/guide/change-log.md
index 52e4808f7c..59b7881d73 100644
--- a/aio/content/guide/change-log.md
+++ b/aio/content/guide/change-log.md
@@ -232,7 +232,7 @@ Docs and code samples updated and tested with Angular v.2.2.0.
 
 ## UPDATE: NgUpgrade Guide for the AOT friendly _upgrade/static_ module (2016-11-14)
 
-## 更新：用于 AoT 的_upgrade/static_模块 NgUpgrade 指南 (2016-11-14)
+## 更新：用于 AOT 的_upgrade/static_模块 NgUpgrade 指南 (2016-11-14)
 
 The updated [NgUpgrade Guide](guide/upgrade) guide covers the
 new AOT friendly `upgrade/static` module
@@ -240,7 +240,7 @@ released in v.2.2.0, which is the recommended
 facility for migrating from AngularJS to Angular.
 The documentation for the version prior to v.2.2.0 has been removed.
 
-更新的[NgUpgrade 指南](guide/upgrade)涵盖在 v.2.2.0 发布的 AoT`upgrade/static` 模块，
+更新的[NgUpgrade 指南](guide/upgrade)涵盖在 v.2.2.0 发布的 AOT`upgrade/static` 模块，
 是从 AngularJS 升级至 Angular 的推荐工具。
 删除早于 v.2.2.0 版本的文档。
 
@@ -332,14 +332,14 @@ Docs and code samples updated and tested with Angular v.2.1.0.
 
 ## NEW "Ahead of time (AOT) Compilation" guide (2016-10-11)
 
-## 添加了新的“预编译(AoT)"烹饪书(2016-10-11)
+## 添加了新的“预编译(AOT)"烹饪书(2016-10-11)
 
 The NEW [Ahead of time (AOT) Compilation](guide/aot-compiler) guide
 explains what AOT compilation is and why you'd want it.
 It demonstrates the basics with a QuickStart app
 followed by the more advanced considerations of compiling and bundling the Tour of Heroes.
 
-全新[预编译(AoT)](guide/aot-compiler)烹饪书介绍了什么是 AoT 编译和为何你需要它。
+全新[预编译(AOT)](guide/aot-compiler)烹饪书介绍了什么是 AOT 编译和为何你需要它。
 它以**快速上手**应用程序开始讲解，接着介绍了编译和构建**英雄指南**的更高级的注意事项。
 
 ## Sync with Angular v.2.0.2 (2016-10-6)
@@ -422,7 +422,7 @@ Added the `moduleId: module.id` property-and-value to their `@Component` metadat
 This change is a requirement for compilation with AOT compiler when the app loads
 modules with SystemJS as the samples currently do.
 
-当应用像例子当前使用的方法一样 - 使用 SystemJS 加载模块时，本更新是 AoT 编译器的前提条件。
+当应用像例子当前使用的方法一样 - 使用 SystemJS 加载模块时，本更新是 AOT 编译器的前提条件。
 
 ## "Lifecycle Hooks" guide simplified (2016-09-24)
 
diff --git a/aio/content/guide/glossary.md b/aio/content/guide/glossary.md
index 92f52fcb7e..a25046b49c 100644
--- a/aio/content/guide/glossary.md
+++ b/aio/content/guide/glossary.md
@@ -25,7 +25,7 @@ unexpected definitions.
 
 ## Ahead-of-time (AOT) compilation
 
-## 预 (ahead-of-time, AoT) 编译
+## 预 (ahead-of-time, AOT) 编译
 
 You can compile Angular applications at build time.
 By compiling your application using the compiler-cli, `ngc`, you can bootstrap directly to a module factory, meaning you don't need to include the Angular compiler in your JavaScript bundle.
@@ -627,7 +627,7 @@ Read more about [interpolation](guide/template-syntax#interpolation) in the
 
 ## Just-in-time (JIT) compilation
 
-## 即时 (just-in-time, JiT) 编译
+## 即时 (just-in-time, JIT) 编译
 
 A bootstrapping method of compiling components and modules in the browser
 and launching the application dynamically. Just-in-time mode is a good choice during development.
diff --git a/aio/content/guide/i18n.md b/aio/content/guide/i18n.md
index 8699a2bf32..c5432e6e37 100644
--- a/aio/content/guide/i18n.md
+++ b/aio/content/guide/i18n.md
@@ -1154,13 +1154,13 @@ guide:
 
 ### Merge with the JIT compiler
 
-### 用 JiT 编译器合并
+### 用 JIT 编译器合并
 
 The JIT compiler compiles the app in the browser as the app loads.
 Translation with the JIT compiler is a dynamic process of:
 
-JiT（即时）编译器在应用程序加载时，在浏览器中编译应用。
-在使用 JiT 编译器的环境中翻译是一个动态的流程，包括：
+JIT（即时）编译器在应用程序加载时，在浏览器中编译应用。
+在使用 JIT 编译器的环境中翻译是一个动态的流程，包括：
 
 1. Importing the appropriate language translation file as a string constant.
 
@@ -1168,7 +1168,7 @@ JiT（即时）编译器在应用程序加载时，在浏览器中编译应用
 
 2. Creating corresponding translation providers for the JIT compiler.
 
-   为 JiT 编译器创建相应的翻译提供商。
+   为 JIT 编译器创建相应的翻译提供商。
 
 3. Bootstrapping the app with those providers.
 
@@ -1177,7 +1177,7 @@ JiT（即时）编译器在应用程序加载时，在浏览器中编译应用
 Three providers tell the JIT compiler how to translate the template texts for a particular language
 while compiling the app:
 
-三种提供商帮助 JiT 编译在编译应用时，将模板文本翻译到某种语言：
+三种提供商帮助 JIT 编译在编译应用时，将模板文本翻译到某种语言：
 
 * `TRANSLATIONS` is a string containing the content of the translation file.
 
diff --git a/aio/content/guide/setup.md b/aio/content/guide/setup.md
index d1f7d6f55e..dcb80c2e36 100644
--- a/aio/content/guide/setup.md
+++ b/aio/content/guide/setup.md
@@ -314,7 +314,7 @@ The following are all in `src/`
       it's the only viable choice for a sample running in a _live-coding_ environment like Stackblitz.
       You'll learn about alternative compiling and [deployment](guide/deployment) options later in the documentation.
 
-      使[即时 (JiT) 编译器](guide/glossary#jit)用编译应用并且在浏览器中[启动](guide/bootstrapping "启动应用")并运行应用。
+      使[即时 (JIT) 编译器](guide/glossary#jit)用编译应用并且在浏览器中[启动](guide/bootstrapping "启动应用")并运行应用。
       对于大多数项目的开发，这都是合理的选择。而且它是在像 Stackblitz 这样的*在线编程*环境中运行例子的唯一选择。
       你将在本文档中学习其他编译和开发选择。