From 95b6e172dc66237202259be667f26c7559aa46c2 Mon Sep 17 00:00:00 2001
From: heibaiying <31504331+heibaiying@users.noreply.github.com>
Date: Sun, 2 Jun 2019 17:37:27 +0800
Subject: [PATCH] Update Hadoop-MapReduce.md

---
 notes/Hadoop-MapReduce.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/notes/Hadoop-MapReduce.md b/notes/Hadoop-MapReduce.md
index b2169bf..7355533 100644
--- a/notes/Hadoop-MapReduce.md
+++ b/notes/Hadoop-MapReduce.md
@@ -149,7 +149,7 @@ public class WordCountMapper extends Mapper<LongWritable, Text, Text, IntWritabl
 
 
 
-`WordCountMapper`继承自`Mappe`r类，这是一个泛型类，定义如下：
+`WordCountMapper`继承自`Mappe`类，这是一个泛型类，定义如下：
 
 ```java
 WordCountMapper extends Mapper<LongWritable, Text, Text, IntWritable>
@@ -162,13 +162,13 @@ public class Mapper<KEYIN, VALUEIN, KEYOUT, VALUEOUT> {
 + **KEYIN** : `mapping`输入key的类型，即每行的偏移量(每行第一个字符在整个文本中的位置)，`Long`类型，对应Hadoop中的`LongWritable`类型；
 + **VALUEIN** : `mapping`输入value的类型，即每行数据；`String`类型，对应Hadoop中`Text`类型；
 + **KEYOUT** ：`mapping`输出的key的类型，即每个单词；`String`类型，对应Hadoop中`Text`类型；
-+ **VALUEOUT**：`mapping`输出value的类型，即每个单词出现的次数；这里用`int`类型，对应Hadoop中`IntWritable`类型。
++ **VALUEOUT**：`mapping`输出value的类型，即每个单词出现的次数；这里用`int`类型，对应`IntWritable`类型。
 
 
 
 ### 4.4 WordCountReducer
 
-在Reduce中进程单词出现次数统计：
+在Reduce中进行单词出现次数的统计：
 
 ```java
 public class WordCountReducer extends Reducer<Text, IntWritable, Text, IntWritable> {