HDFS-16572. Fix typo in readme of hadoop-project-dist 
HDFS-16572. Fix typo in readme of hadoop-project-dist 


mapr/hadoop-common,apache/hadoop,mapr/hadoop-common,apache/hadoop,mapr/hadoop-common,wwjiang007/hadoop,apache/hadoop,apache/hadoop,wwjiang007/hadoop,wwjiang007/hadoop,mapr/hadoop-common,mapr/hadoop-common,apache/hadoop,wwjiang007/hadoop,wwjiang007/hadoop,apache/hadoop,mapr/hadoop-common,apache/hadoop,wwjiang007/hadoop,mapr/hadoop-common,wwjiang007/hadoop