[polari] Fix Spanish translation header

[Piotr Drąg <piotrdrag src gnome org>]

commit 183db94bbe1d75f2a9dffd81486290feee22b4a7
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Feb 24 00:41:19 2018 +0100

    Fix Spanish translation header

 po/es.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/es.po b/po/es.po
index e5f90fb..5e0be44 100644
--- a/po/es.po
+++ b/po/es.po
@@ -4,7 +4,7 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Adrian Perez Dominguez <adrian aztli org>, 2016.
-# Daniel Mustieles <daniel mustieles gmail com>, 2013, 2014, 2015., 2016, 2017, 2018.
+# Daniel Mustieles <daniel mustieles gmail com>, 2013-2018.
 #
 msgid ""
 msgstr ""