diff --git a/aio/content/guide/styleguide.md b/aio/content/guide/styleguide.md
index 4d88de2ca8..29072ba369 100644
--- a/aio/content/guide/styleguide.md
+++ b/aio/content/guide/styleguide.md
@@ -121,7 +121,7 @@ This helps make the app cleaner, easier to read and maintain, and more testable.
 
 ### Rule of One
 
-### 单一原则
+### 单一规则
 
 #### Style 01-01
 
diff --git a/aio/content/guide/upgrade.md b/aio/content/guide/upgrade.md
index b246285f5b..35b598b61c 100644
--- a/aio/content/guide/upgrade.md
+++ b/aio/content/guide/upgrade.md
@@ -79,9 +79,9 @@ aligned with Angular*.
 
 Angular是一个基于AngularJS中最好的部分构思出来的版本。在这种意义上，它的目标和Angular风格指南是一样的：
 保留AngularJS中好的部分，去掉坏的部分。当然，Angular还做了更多。
-说这些的意思是：*遵循这个风格指南可以让你写出更接近Angular程序的AngularJS程序*。There are a few rules in particular that will make it much easier to do
+说这些的意思是：*遵循这个风格指南可以让你写出更接近Angular程序的AngularJS程序*。
 
-*an incremental upgrade* using the Angular `upgrade/static` module:
+There are a few rules in particular that will make it much easier to do *an incremental upgrade* using the Angular `upgrade/static` module:
 
 有一些特别的规则可以让使用Angular的`upgrade`模块进行*增量升级*变得更简单：