diff --git a/Performance/performance-ch.md b/Performance/performance-ch.md
index c05dbd2d..69c488d8 100644
--- a/Performance/performance-ch.md
+++ b/Performance/performance-ch.md
@@ -47,7 +47,7 @@ DNS 解析也是需要时间的，可以通过预解析的方式来预先获得
 
 ### 强缓存
 
-实现强缓存可以通过两种响应头实现：`Expires` 和 `Cache-Control` 。强缓存表示在缓存期间不需要请求，`state code` 为 200
+实现强缓存可以通过两种响应头实现：`Expires` 和 `Cache-Control` 。强缓存表示在缓存期间不需要请求，`Status Code` 为 200
 
 ```js
 Expires: Wed, 22 Oct 2018 08:41:00 GMT
diff --git a/Performance/performance-en.md b/Performance/performance-en.md
index 04cc77af..dbde2131 100644
--- a/Performance/performance-en.md
+++ b/Performance/performance-en.md
@@ -48,7 +48,7 @@ Browser cache strategy is usually divided into two types: strong cache and negot
 
 ### Strong cache
 
-Implementing strong caching can be achieved with two response headers: `Expires` and `Cache-Control`. Strong cache means that no request is required during caching, the  `state code`  is 200.
+Implementing strong caching can be achieved with two response headers: `Expires` and `Cache-Control`. Strong cache means that no request is required during caching, the  `Status Code`  is 200.
 
 ```js
 Expires: Wed, 22 Oct 2018 08:41:00 GMT