[pitivi] Fix typo in Catalan translation

[Jordi Mas <jmas src gnome org>]

commit d3581afbac6b7f5f2d375b162285994ec4ab6394
Author: Jordi Mas <jmas softcatala org>
Date:   Thu Sep 5 23:09:37 2013 +0200

    Fix typo in Catalan translation

 po/ca.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/ca.po b/po/ca.po
index c042d32..4a56886 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -1661,7 +1661,7 @@ msgstr "Informació extra:"
 
 #: ../pitivi/dialogs/prefs.py:278 ../pitivi/utils/widgets.py:886
 msgid "Reset to default value"
-msgstr "Reinicia als valor predeterminats"
+msgstr "Reinicia als valors predeterminats"
 
 #: ../pitivi/dialogs/startupwizard.py:59
 msgid "Projects"