Index: modules/forum.module
===================================================================
--- modules/forum.module	(revision 5943)
+++ modules/forum.module	(working copy)
@@ -997,10 +1005,10 @@
     $output .= '<div class="forum-topic-navigation">';
 
     if ($prev) {
-      $output .= l(t('‹ ') . check_plain($prev->title), 'node/'. $prev->nid, array('class' => 'topic-previous', 'title' => t('Go to previous forum topic')));
+      $output .= l(t('‹ ') . t('Previous: ') . check_plain($prev->title), 'node/'. $prev->nid, array('class' => 'topic-previous', 'title' => t('Go to previous forum topic')));
     }
     if ($next) {
-      $output .= l(check_plain($next->title) . t(' ›'), 'node/'. $next->nid, array('class' => 'topic-next', 'title' => t('Go to next forum topic')));
+      $output .= l(t('Next: ') . check_plain($next->title) . t(' ›'), 'node/'. $next->nid, array('class' => 'topic-next', 'title' => t('Go to next forum topic')));
     }
 
     $output .= '</div>';