[PATCH 02 of 12] upgrade: update the header comment

[Pierre-Yves David]

# HG changeset patch
# User Pierre-Yves David <pierre-yves.david at ens-lyon.org>
# Date 1491941235 -7200
#      Tue Apr 11 22:07:15 2017 +0200
# Node ID a297b69584d3e6e801a641d511c11d07d0976cb0
# Parent  fa55b926460cbd7ef688d34ac600367a5ae28a0e
# EXP-Topic upgraderepo
# Available At https://www.mercurial-scm.org/repo/users/marmoute/mercurial/
#              hg pull https://www.mercurial-scm.org/repo/users/marmoute/mercurial/ -r a297b69584d3
upgrade: update the header comment

diff --git a/mercurial/upgrade.py b/mercurial/upgrade.py
--- a/mercurial/upgrade.py
+++ b/mercurial/upgrade.py
@@ -1,4 +1,4 @@
-# repair.py - functions for repository repair for mercurial
+# upgrade.py - functions for in place upgrade of Mercurial repository
 #
 # Copyright 2005, 2006 Chris Mason <mason at suse.com>
 # Copyright 2007 Matt Mackall