[news.eclipse.platform.rcp] how to overwrite text in about.mappings/abou

[swamy_mvm <swamy_mvm@xxxxxxxxxxx>]

I have problem of update values in about dialog such as linceseinfo, build ...etc,as we can find in about file have 

# about.mappings
# contains fill-ins for about.properties
# java.io.Properties file (ISO 8859-1 with "\" escapes)
# This file does not need to be translated.

1=1.0(version)
2=555(build)
3=http://www.barco.com/controlrooms/
4=lincense
...etc., 

 Here i would like to update/overwrite the version, build,lincse...etc, values,so inorder to show them in about dialog  provided by eclipse 
regards,
swamy mvm