[gnome-tweaks] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit d008ae6e1e52a437a7ff81488e196396fea4b09f
Author: Jordi Mas <jmas softcatala org>
Date:   Sun Mar 25 17:50:27 2018 +0200

    Update Catalan translation

 po/ca.po | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/po/ca.po b/po/ca.po
index 0a3e051..d7a8da9 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -335,8 +335,9 @@ msgid "No Extensions Installed"
 msgstr "No hi ha extensions instal·lades"
 
 #: gtweak/tweaks/tweak_group_shell_extensions.py:56
+#. N.T.: Software es refereix al gnome-software
 msgid "Browse in Software"
-msgstr "Explora en el programari"
+msgstr "Explora en el Programari"
 
 #: gtweak/tweaks/tweak_group_shell_extensions.py:118
 msgid "Extension downloading"
@@ -510,7 +511,7 @@ msgstr ""
 
 #: gtweak/tweaks/tweak_group_windows.py:172
 msgid "Placement"
-msgstr "Col·locació"
+msgstr "Ubicació"
 
 #. Translators: For RTL languages, this is the "Right" direction since the
 #. interface is flipped
@@ -582,7 +583,7 @@ msgstr "Tecla d'acció de finestra"
 
 #: gtweak/tweaks/tweak_group_windows.py:308
 msgid "Raise Windows When Focused"
-msgstr "Elevar les finestres quan tinguin el focus"
+msgstr "Eleva les finestres quan tinguin el focus"
 
 #: gtweak/tweaks/tweak_group_windows.py:309
 msgid "Titlebar Actions"
@@ -679,7 +680,7 @@ msgstr "Tecla de composició"
 #: gtweak/tweaks/tweak_group_keymouse.py:97
 #: gtweak/tweaks/tweak_group_keymouse.py:179
 msgid "Scroll Lock"
-msgstr "Bloq Num"
+msgstr "Bloq Despl"
 
 #: gtweak/tweaks/tweak_group_keymouse.py:46
 #: gtweak/tweaks/tweak_group_keymouse.py:85