[gnome-shell] Improve some strings in gschema file

[Piotr Drąg <piotrdrag src gnome org>]

commit b1b81a267296019ac5681306733670ac7a215c46
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Jan 7 18:55:25 2014 +0100

    Improve some strings in gschema file

 data/org.gnome.shell.gschema.xml.in.in |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/data/org.gnome.shell.gschema.xml.in.in b/data/org.gnome.shell.gschema.xml.in.in
index dc27e47..d56fecc 100644
--- a/data/org.gnome.shell.gschema.xml.in.in
+++ b/data/org.gnome.shell.gschema.xml.in.in
@@ -13,12 +13,12 @@
     </key>
     <key name="enabled-extensions" type="as">
       <default>[]</default>
-      <_summary>Uuids of extensions to enable</_summary>
+      <_summary>UUIDs of extensions to enable</_summary>
       <_description>
-        GNOME Shell extensions have a uuid property; this key lists extensions
+        GNOME Shell extensions have a UUID property; this key lists extensions
         which should be loaded. Any extension that wants to be loaded needs
         to be in this list. You can also manipulate this list with the
-        EnableExtension and DisableExtension DBus methods on org.gnome.Shell.
+        EnableExtension and DisableExtension D-Bus methods on org.gnome.Shell.
       </_description>
     </key>
     <key name="favorite-apps" type="as">
@@ -54,10 +54,10 @@
     </key>
     <key name="always-show-log-out" type="b">
       <default>false</default>
-      <_summary>Always show the 'Log out' menuitem in the user menu.</_summary>
+      <_summary>Always show the 'Log out' menu item in the user menu.</_summary>
       <_description>
         This key overrides the automatic hiding of the 'Log out'
-        menuitem in single-user, single-session situations.
+        menu item in single-user, single-session situations.
       </_description>
     </key>
     <key name="remember-mount-password" type="b">