[gnome-calendar] Fix header for Spanish translation

[Jeremy Bicha <jbicha src gnome org>]

commit ed195f4952d35f380369f7a0593f9dc28d92b93c
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Wed May 10 19:13:51 2017 -0400

    Fix header for Spanish translation

 po/es.po |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/po/es.po b/po/es.po
index 69865b9..bd6b7c7 100644
--- a/po/es.po
+++ b/po/es.po
@@ -1,9 +1,9 @@
-# Spanish translation for gnome-calendar.
-# Copyright (C) 2012 gnome-calendar's COPYRIGHT HOLDER
-# This file is distributed under the same license as the gnome-calendar package.
-# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
-# Daniel Mustieles <daniel mustieles gmail com>, 2012, 2013, 2015., 2016, 2017.
+# Spanish translation for gnome-calendar.
+# Copyright (C) 2012 gnome-calendar's COPYRIGHT HOLDER
+# This file is distributed under the same license as the gnome-calendar package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+# 
+# Daniel Mustieles <daniel mustieles gmail com>, 2012-2013, 2015-2017.
 #
 msgid ""
 msgstr ""