by some person » 12.04.2012, 01:21
As you were not clear, I am going to assume you are trying to change this for project tasks. If so, then you can do that by editing projecttasks.tpl, found in templates/standard directory.
In projecttasks.tpl you need change <td style="text-align:right">{$lists[list].tasks[task].daysleft} </td> to <td style="text-align:right">{$lists[list].tasks[task].endstring} </td>
and for finished tasks change <td class="days" style="text-align:right">{$lists[list].oldtasks[oldtask].daysleft} </td> to <td class="days" style="text-align:right">{$lists[list].oldtasks[oldtask].endstring} </td>