update appdata.xml

hammond-gtk/resources/org.gnome.Hammond.appdata.xml

@@ -5,19 +5,32 @@
   <project_license>GPL-3.0</project_license>
   <metadata_license>CC0-1.0</metadata_license>
   <developer_name>Jordan Petridis</developer_name>
-  <summary>GNOME Podcast Client written in Rust</summary>
-  <url type="homepage">https://gitlab.gnome.org/alatiera/Hammond</url>
-  <description>
-    Hammond is a Gtk+ Podcast client for the GNOME Desktop written in Rust
+  <summary>Modern Podcast Client for the GNOME desktop</summary>
+  <description xml:lang="en">
+    <p>
+      Hammond is a modern, reliable, and fast Podcast Client for the GNOME
+      desktop written in Rust.
+    </p>
   </description>
+  <url type="homepage">https://gitlab.gnome.org/alatiera/Hammond</url>
   <screenshots>
     <screenshot>
-      <image type="source">https://gitlab.gnome.org/alatiera/Hammond/raw/master/screenshots/podcasts_view.png</image>
-      <image type="source">https://gitlab.gnome.org/alatiera/Hammond/raw/master/screenshots/podcast_widget.png</image>
+      <image>https://gitlab.gnome.org/alatiera/hammond/raw/master/screenshots/episodes_view.png</image>
+      <caption>Page 1</caption>
+    </screenshot>
+    <screenshot>
+      <image>https://gitlab.gnome.org/alatiera/hammond/raw/master/screenshots/shows_view.png</image>
+      <caption>Page 2</caption>
+    </screenshot>
+    <screenshot>
+      <image>https://gitlab.gnome.org/alatiera/hammond/raw/master/screenshots/show_widget.png</image>
+      <caption>Page 3</caption>
     </screenshot>
   </screenshots>
   <releases>
     <release version="0.3.1" date="2018-03-28"/>
   </releases>
-  <update_contact>jordanpetridis@protonmail.com</update_contact>
-</component>
+  <url type="homepage">https://gitlab.gnome.org/alatiera/hammond</url>
+  <update_contact>jpetridis@gnome.org</update_contact>
+  <developer_name>Jordan Petridis and others</developer_name>
+</component>