-$details->line("Used in nodes",count($node_tags));
-$details->line("Used in interfaces",count($interface_tags));
-$details->line("Used in slices",count($slice_tags));
-$details->line("Used in slivers",count($sliver_tags));
+$details->th_td("Used in nodes",count($node_tags));
+$details->th_td("Used in interfaces",count($interface_tags));
+$details->th_td("Used in slices",count($slice_tags));
+$details->th_td("Used in slivers",count($sliver_tags));