Fix broken appstream metadata

org.flatpak.qtdemo.appdata.xml

@@ -7,27 +7,33 @@
   <name>Flatpak Developer Demo</name>
   <summary>Flatpak Developer Demo</summary>
   <description>
-      <p>Flatpak developer demo application is a companion to the <a href="http://docs.flatpak.org">Flatpak developer documentation</a>. It is an example of how to use Flatpak to build and distribute an application, and can be used as a reference implementation.</p>
-      <p>While the demo application uses Qt and the KDE runtime, the basic principles that it demonstrates are applicable to applications that use other runtimes and toolkits.</p>
-      <p>The application demonstrates the use of portals, showing how it is possible to securely access host functions like file choosers, notifications and screenshots. To do this, it uses the built-in support provided by the Qt toolkit. Similar support is also available for GTK.</p>
+    <p>Flatpak developer demo application is a companion to the Flatpak developer documentation. It is an example of how to use Flatpak to build and distribute an application, and can be used as a reference implementation.</p>
+    <p xml:lang="en-GB">Flatpak developer demo application is a companion to the Flatpak developer documentation. It is an example of how to use Flatpak to build and distribute an application, and can be used as a reference implementation.</p>
+    <p>While the demo application uses Qt and the KDE runtime, the basic principles that it demonstrates are applicable to applications that use other runtimes and toolkits.</p>
+    <p xml:lang="en-GB">While the demo application uses Qt and the KDE runtime, the basic principles that it demonstrates are applicable to applications that use other runtimes and toolkits.</p>
+    <p>The application demonstrates the use of portals, showing how it is possible to securely access host functions like file choosers, notifications and screenshots. To do this, it uses the built-in support provided by the Qt toolkit. Similar support is also available for GTK.</p>
+    <p xml:lang="en-GB">The application demonstrates the use of portals, showing how it is possible to securely access host functions like file choosers, notifications and screenshots. To do this, it uses the built-in support provided by the Qt toolkit. Similar support is also available for GTK.</p>
   </description>
-  ​<releases>
-​    <release version="1.1.1" type="stable" date="2018-05-18"/>
-​    <release version="1.1.0" type="stable" date="2018-05-14"/>
-​    <release version="1.0.0" type="stable" date="2018-05-09"/>
+  <releases>
+    <release version="1.1.2" date="2018-05-18"/>
+    <release version="1.1.1" date="2018-05-18"/>
+    <release version="1.1.0" date="2018-05-14"/>
+    <release version="1.0.0" date="2018-05-09"/>
   </releases>
   <screenshots>
     <screenshot type="default">
-​      <image type="source">https://raw.githubusercontent.com/flatpak/qt-flatpak-demo/master/assets/screenshot.png</image>
+      <image type="source">https://raw.githubusercontent.com/flatpak/qt-flatpak-demo/master/assets/screenshot.png</image>
     </screenshot>
-​  </screenshots>
-​  <categories>
+  </screenshots>
+  <categories>
     <category>Documentation</category>
-​    <category>Development</category>
-​    <category>Qt</category>
-​  </categories>
+    <category>Development</category>
+    <category>Qt</category>
+  </categories>
+  <url type="homepage">https://github.com/flatpak/qt-flatpak-demo</url>
   <url type="bugtracker">https://github.com/flatpak/qt-flatpak-demo/issues</url>
   <project_group>Flatpak</project_group>
+  <update_contact>jgrulich_AT_redhat.com</update_contact>
   <provides>
     <binary>flatpak-demo</binary>
   </provides>

org.flatpak.qtdemo.desktop

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Name=Flatpak Developer Demo
 GenericName=Flatpak Developer Demo
-Comment=Flatpak developer demo is a companion application to the <a href="http://docs.flatpak.org">Flatpak documentation</a>. It's written in Qt to show most common usage of portals and demonstrate how to package a Qt application which comply with the docs.
+Comment=Flatpak developer demo application is a companion to the Flatpak developer documentation. It is an example of how to use Flatpak to build and distribute an application, and can be used as a reference implementation.
 Exec=flatpak-demo
 Terminal=false
 Icon=org.flatpak.qtdemo