[baobab] Improve AppData file

[Stefano Facchini <sfacchini src gnome org>]

commit 8c16c964b76c7452dc627e062bdd1eddf2c5516a
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Wed Aug 10 10:31:22 2016 +0200

    Improve AppData file

 data/org.gnome.baobab.appdata.xml.in |   16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)
---
diff --git a/data/org.gnome.baobab.appdata.xml.in b/data/org.gnome.baobab.appdata.xml.in
index 6c3612b..e9cc355 100644
--- a/data/org.gnome.baobab.appdata.xml.in
+++ b/data/org.gnome.baobab.appdata.xml.in
@@ -1,12 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop">
   <id>org.gnome.baobab.desktop</id>
-  <licence>CC0</licence>
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>GPL-2.0+</project_license>
+  <name>Disk Usage Analyzer</name>
+  <summary>Check folder sizes and available disk space</summary>
   <description>
     <p>
-      A simple application which can scan either specific folders
-      (local or remote) or volumes and give a graphical representation
-      including each directory size or percentage.
+      A simple application to keep your disk usage and available space under control.
+    </p>
+    <p>
+      Disk Usage Analyzer can scan specific folders, storage devices and online accounts.
+      It provides both a tree and a graphical representation showing the size of each folder,
+      making it easy to identify where disk space is wasted.
     </p>
   </description>
   <screenshots>
@@ -19,7 +25,7 @@
     <kudo>UserDocs</kudo>
   </kudos>
   <url type="homepage">https://wiki.gnome.org/Apps/Baobab</url>
-  <updatecontact>stefano.facchini_at_gmail.com</updatecontact>
+  <update_contact>stefano.facchini_at_gmail.com</update_contact>
   <project_group>GNOME</project_group>
   <compulsory_for_desktop>GNOME</compulsory_for_desktop>
   <translation type="gettext">baobab</translation>