Talks between the Indonesian government and Aceh's separatist rebels will end a day early, international mediators say. <br/><br/>It is unclear why the meeting in Finland is finishing on Saturday. <br/><br/>A top-level delegation from Jakarta met leaders from the Free Aceh Movement (Gam) outside the Finnish capital Helsinki on Friday. <br/><br/>The discussions, which mark the first contact between the sides for nearly two years, were reported to have got off to a good start <br/><br/><br/><br/><br/>I would write 'a top level delegation'. Here it is 'a top-level delegation'. Why is it necessary to hyphen?