--- a/docs/conf.py	2017-10-08 01:30:43.000000000 +0200
+++ b/docs/conf.py	2017-10-09 17:42:30.145789037 +0200
@@ -42,7 +42,7 @@
 
 # General information about the project.
 project = 'Borg - Deduplicating Archiver'
-copyright = '2010-2014 Jonas Borgström, 2015-2017 The Borg Collective (see AUTHORS file)'
+copyright = u'2010-2014 Jonas Borgström, 2015-2017 The Borg Collective (see AUTHORS file)'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the