Update copyright notice

dgutov · dgutov · commit 3af9bc27f36d · 2020-06-28T15:25:03.000+03:00
diff --git a/robe.el b/robe.el
@@ -1,7 +1,7 @@
 ;;; robe.el --- Code navigation, documentation lookup and completion for Ruby -*- lexical-binding: t -*-
 
 ;; Copyright © 2012 Phil Hagelberg
-;; Copyright © 2012-2019 Dmitry Gutov
+;; Copyright © 2012-2020 Dmitry Gutov
 
 ;; Author: Dmitry Gutov
 ;; URL: https://github.com/dgutov/robe
