[RFC] Documentation/conf.py: fix copyright years

[Antony Pavlov]

N.B. N-dash is used!

Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
 Documentation/conf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/conf.py b/Documentation/conf.py
index bcd8633c919..5fb8b07c380 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -44,7 +44,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'barebox'
-copyright = u'2014, The barebox project'
+copyright = u'2014–2022, The barebox project'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
-- 
2.37.2