[accerciser] Fix to Catalan translation

[Jordi Mas <jmas src gnome org>]

commit 72760c44f1b9b7aa86b5c1459f165f0440c5fda2
Author: Jordi Mas <jmas softcatala org>
Date:   Wed Sep 6 09:22:44 2017 +0200

    Fix to Catalan translation

 help/ca/ca.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/ca/ca.po b/help/ca/ca.po
index dba2036..80f4e70 100644
--- a/help/ca/ca.po
+++ b/help/ca/ca.po
@@ -1185,7 +1185,7 @@ msgstr "<app>Accerciser</app>"
 
 #: C/introduction.page:52(figure/desc) C/introduction.page:56(media/p)
 msgid "<app>Accerciser</app>'s default interface."
-msgstr "La interfície per defecte de l'<app>Accerciser</app>"
+msgstr "La interfície per defecte de l'<app>Accerciser</app>."
 
 #: C/introduction.page:63(section/title)
 msgid "<app>Accerciser</app>'s intended audience"