From 46c5cd3c3f0a8a04386caf19d69998f0fa77947d Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Sun, 21 Jul 2013 23:56:00 +0000
Subject: [PATCH] Update comment to match what we are currently doing.

git-svn-id: https://svn.dealii.org/trunk@30083 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/source/grid/tria.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/deal.II/source/grid/tria.cc b/deal.II/source/grid/tria.cc
index d55a04bedf..f43aaed205 100644
--- a/deal.II/source/grid/tria.cc
+++ b/deal.II/source/grid/tria.cc
@@ -12206,8 +12206,9 @@ void Triangulation<dim, spacedim>::execute_coarsening ()
   // deleted (if the latter are on a
   // higher level for example)
   //
-  // since we delete the *children* of cells, we only need to start
-  // considering cells on the second highest level, n_levels()-2.
+  // since we delete the *children* of cells, we can ignore cells
+  // on the highest level, i.e., level must be less than or equal
+  // to n_levels()-2.
   if (levels.size() >= 2)
     for (cell = last(); cell!=endc; --cell)
       if (cell->user_flag_set() && cell->level()<=static_cast<int>(levels.size()-2))
-- 
2.39.5