First change your web server port from 8080 to 80.
For tomcat for example open server.xml file from the given path like
C:\Programs\Apache Software Foundation\Tomcat 6.0\conf
and change following portion in this file.
<Connector port="8080" protocol="HTTP/1.1"
It will be like given below.
<Connector port="80" protocol="HTTP/1.1"
I guess it's just too hard to read documentation these days. So hard that other people need to do it for you, then write out their interpretation of what they read for you to read and interpret yourself.
So now two people have had to read and interpret something and who knows if what the "end user" understood and implemented is actually what the documentation said, but now one person has wasted their time waiting for someone else to read the documentation for them, and another person has wasted their time reading and regurgitating it.