[doc] Update documentation

Change-Id: I5e0600884b172765f9e0e0b0180a8895d1407c43
---
M pywikibot/diff.py
M pywikibot/i18n.py
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pywikibot/diff.py b/pywikibot/diff.py
index 8b5c0d2..45c9246 100644
--- a/pywikibot/diff.py
+++ b/pywikibot/diff.py
@@ -1,6 +1,6 @@
 """Diff module."""
 #
-# (C) Pywikibot team, 2014-2021
+# (C) Pywikibot team, 2014-2022
 #
 # Distributed under the terms of the MIT license.
 #
diff --git a/pywikibot/i18n.py b/pywikibot/i18n.py
index c41fb75..7b2cb93 100644
--- a/pywikibot/i18n.py
+++ b/pywikibot/i18n.py
@@ -15,7 +15,7 @@
 See :py:obj:`twtranslate` for more information on the messages.
 """
 #
-# (C) Pywikibot team, 2004-2021
+# (C) Pywikibot team, 2004-2022
 #
 # Distributed under the terms of the MIT license.
 #

