(chore) bump copyright

joshgoebel · joshgoebel · commit 74de6eaa1d4d · 2020-06-11T19:23:41.000-04:00
diff --git a/docs/conf.py b/docs/conf.py
@@ -41,7 +41,7 @@
 
 # General information about the project.
 project = u'highlight.js'
-copyright = u'2012–2018, Ivan Sagalaev'
+copyright = u'2012–2020, Ivan Sagalaev'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
