Install the sources of the hello package and look at changelog, that's what i did. Apparently the format is
<package> (<version>) <distribution>;urgency=<urgency> * <changelog entry> * <another changelog entry> -- <maintainer> <date> with <..> to be replaced by the proper values. Later, Dominik The text above is my personal opinion and does not reflect the official position of my employer on this subject. Any official statement given by me is marked as being an official statement on behalf of my employer.