diff -r 310be640a303 -r c82943fb205f printrun-src/pronterface.appdata.xml
--- a/printrun-src/pronterface.appdata.xml	Tue Jan 19 20:44:16 2021 +0100
+++ b/printrun-src/pronterface.appdata.xml	Tue Jan 19 20:45:09 2021 +0100
@@ -1,16 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<application>
- <id type="desktop">pronterface.desktop</id>
- <licence>CC0</licence>
+<component type="desktop-application">
+ <id>com.github.kliment.printrun.pronterface</id>
+ <metadata_license>CC0-1.0</metadata_license>
+ <project_license>GPL-3.0+</project_license>
+ <name>Pronterface</name>
  <summary>3D printer host software</summary>
  <description>
   <p>Pronterface is a graphical user interface for desktop 3D printers, such as RepRap. It lets you view Gcode, connect to printer and send the Gcode to it. It's feature rich yet minimalist application.</p>
   <p>It allows you not only to send Gcode form file, but also control the printer manually or send Gcode commands directly trough input field.</p>
-  <p>Is integrates slicing tool, so if you load an STL 3D model to it, it will slice and load it automatically.</p>
+  <p>It integrates with slicing tools, so if you load an STL 3D model to it, it will slice and load it automatically.</p>
  </description>
+ <launchable type="desktop-id">pronterface.desktop</launchable>
  <screenshots>
-  <screenshot type="default" width="1061" height="596">https://raw.github.com/kliment/Printrun/master/screenshots/pronterface.png</screenshot>
-  <screenshot width="566" height="626">https://raw.github.com/kliment/Printrun/master/screenshots/pronterface2.png</screenshot>
+   <screenshot type="default">
+     <image width="1061" height="596">https://raw.github.com/kliment/Printrun/master/screenshots/pronterface.png</image>
+   </screenshot>
+   <screenshot>
+     <image width="566" height="626">https://raw.github.com/kliment/Printrun/master/screenshots/pronterface2.png</image>
+   </screenshot>
  </screenshots>
  <url type="homepage">https://github.com/kliment/Printrun</url>
-</application>
+</component>