diff --git a/misc/qelectrotech.appdata.xml b/misc/qelectrotech.appdata.xml
index 48834387b..73e8bab42 100644
--- a/misc/qelectrotech.appdata.xml
+++ b/misc/qelectrotech.appdata.xml
@@ -2,8 +2,8 @@
 <!-- Copyright 2006-2021 The QElectroTech Team -->
 <application>
  <id type="desktop">qelectrotech.desktop</id>
- <metadata_license>GPL-2.0+</metadata_license>
- <project_license>GPL-2.0+</project_license>
+ <metadata_license>GPL-2.0-or-later</metadata_license>
+ <project_license>GPL-2.0-or-later</project_license>
  <name>QElectroTech</name>
  <summary>Electrical diagram editor</summary>
  <summary xml:lang="ar">مُحرّر مخططات كهربائية</summary>
@@ -21,6 +21,9 @@
  <summary xml:lang="be">Elektrische schema editor</summary>
  <summary xml:lang="da">Elektrisk diagram redigering</summary>
  <summary xml:lang="ja">電気回路図エディタ</summary>
+ <content_rating type="oars-1.1"/>
+ <releases>
+     <release version="0.8.0" date="2021-02-21">
  <description>
   <p>
    QElectroTech is a Qt5 application to design electric diagrams.