Index: build/resources/0ad.appdata.xml
===================================================================
--- build/resources/0ad.appdata.xml
+++ build/resources/0ad.appdata.xml
@@ -1,7 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<application>
-  <id type="desktop">0ad.desktop</id>
-  <licence>CC-BY-SA</licence>
+<!-- Copyright 2017 Wildfire Games <webmaster@wildfiregames.com> -->
+<component type="desktop-application">
+  <id>com.wildfiregames.0ad</id>
+  <project_license>CC-BY-SA</project_license>
+  <metadata_license>CC-BY-SA</metadata_license>
+  <name>0 AD</name>
+  <summary>Real time strategy game of ancient warfare</summary>
+  ​<launchable type="desktop-id">com.wildfiregames.0ad.desktop</launchable>
   <description>
     <p>
       0 A.D. is a real-time strategy (RTS) game of ancient warfare.
@@ -19,7 +24,12 @@
       technologies and civilization bonuses.
     </p>
   </description>
+  ​<categories>
+    <category>Game</category>
+    <category>StrategyGame</category>
+  </categories>
   <url type="homepage">http://play0ad.com/</url>
+  <url type="bugtracker">http://trac.wildfiregames.com/</url>
   <url type="translate">http://trac.wildfiregames.com/wiki/Localization</url>
   <url type="donation">https://play0ad.com/community/donate/</url>
   <screenshots>
@@ -28,7 +38,7 @@
     <screenshot>http://play0ad.com/wp-content/gallery/screenshots/screenshot0050.jpg</screenshot>
     <screenshot>http://play0ad.com/wp-content/gallery/screenshots/athenian_gymnasion.jpg</screenshot>
   </screenshots>
-  <updatecontact>webmaster@wildfiregames.com</updatecontact>
+  <update_contact>webmaster@wildfiregames.com</update_contact>
   <keywords>
     <keyword>RTS</keyword>
     <keyword>Realtime Strategy</keyword>
@@ -76,4 +86,4 @@
     <content_attribute id="money-purchasing">none</content_attribute>
     <content_attribute id="money-gambling">none</content_attribute>
   </content_rating>
-</application>
+</component>