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-rw-r--r--contrib/chem/examples/122/chAh_brackets.chem8
1 files changed, 4 insertions, 4 deletions
diff --git a/contrib/chem/examples/122/chAh_brackets.chem b/contrib/chem/examples/122/chAh_brackets.chem
index 9e471696c..63b1738bc 100644
--- a/contrib/chem/examples/122/chAh_brackets.chem
+++ b/contrib/chem/examples/122/chAh_brackets.chem
@@ -5,7 +5,7 @@ delim $$
.EN
.cstart
-# Example file for `chem':
+# Example file for 'chem':
# This originates from Computing Science Technical Report No. 122
# CHEM - A Program for Typesetting Chemical Diagrams: User Manual
@@ -14,13 +14,13 @@ delim $$
# Copyright (C) 2006-2014 Free Software Foundation, Inc.
-# 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.