From fdaaf0fb07bcf05224291a1bf27d6efbff15ead2 Mon Sep 17 00:00:00 2001
From: chenc <double_cl@163.com>
Date: Mon, 29 Jun 2020 12:51:39 +0800
Subject: [PATCH] =?UTF-8?q?docs:=20=E6=96=87=E5=AD=97=E9=94=99=E8=AF=AF?=
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春变更 -> 纯变更
---
 aio/content/guide/pipes.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aio/content/guide/pipes.md b/aio/content/guide/pipes.md
index 835b0c027c..59a2b17546 100644
--- a/aio/content/guide/pipes.md
+++ b/aio/content/guide/pipes.md
@@ -408,7 +408,7 @@ So Angular uses a faster change-detection algorithm for executing a pipe, as des
 
 ### Detecting pure changes to primitives and object references
 
-### 检测原始类型和对象引用的春变更
+### 检测原始类型和对象引用的纯变更
 
 By default, pipes are defined as *pure* so that Angular executes the pipe only when it detects a *pure change* to the input value.
 A pure change is either a change to a primitive input value (such as `String`, `Number`, `Boolean`, or `Symbol`), or a changed object reference (such as `Date`, `Array`, `Function`, or `Object`).