Trivial Typo in Installation Guide

[lewis john mcgibbney <le...@apache.org>]

Hi Folks,
There is a trivial typo in the installation guide [0],

...
wget http://
www.apache.org/dist/ambari/ambari-2.4.2/apache-ambari-2.4.2-src.tar.gz (use
the suggested mirror from above)
tar xfvz apache-ambari-2.4.2-src.tar.gz
cd apache-ambari-2.4.2-src
mvn versions:set -DneVersion=2.4.2.0.0

You can see the bottom line should be changed to

mvn versions:set -DnewVersion=2.4.2.0.0

I don't have access permission but if someone could update the wiki page it
would be great.
Thanks

[0]
https://cwiki.apache.org/confluence/display/AMBARI/Installation+Guide+for+Ambari+2.4.2

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