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-rw-r--r--contrib/chem/chem.pic6
1 files changed, 3 insertions, 3 deletions
diff --git a/contrib/chem/chem.pic b/contrib/chem/chem.pic
index 4ba066fc6..5214cc2e2 100644
--- a/contrib/chem/chem.pic
+++ b/contrib/chem/chem.pic
@@ -7,13 +7,13 @@
# Written by Brian Kernighan <http://cm.bell-labs.com/cm/cs/who/bwk>,
# modified by Bernd Warken <groff-bernd.warken-72@web.de>.
-# This file is part of `chem', which is part of `groff'.
+# This file is part of 'chem', which is part of 'groff'.
-# `groff' is free software; you can redistribute it and/or modify it
+# 'groff' is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License (GPL) version 2 as
# published by the Free Software Foundation.
-# `groff' is distributed in the hope that it will be useful, but
+# 'groff' is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.