diff --git a/com.rawtherapee.RawTherapee.appdata.xml b/com.rawtherapee.RawTherapee.appdata.xml
index 32cfe30c7..a53ccbf06 100644
--- a/com.rawtherapee.RawTherapee.appdata.xml
+++ b/com.rawtherapee.RawTherapee.appdata.xml
@@ -26,6 +26,7 @@
         <keyword>pp3</keyword>
         <keyword>graphics</keyword>
     </keywords>
+    <content_rating type="oars-1.0" />
     <metadata_license>CC-BY-SA-4.0</metadata_license>
     <project_license>GPL-3.0+</project_license>
     <url type="bugtracker">https://github.com/Beep6581/RawTherapee/issues/new</url>
@@ -36,8 +37,8 @@
     <launchable type="desktop-id">rawtherapee.desktop</launchable>
     <releases>
         <release version="5.6" date="2019-04-20" type="stable"></release>
-        <release version="5.6-rc2" date="2019-04-17" type="development"></release>
-        <release version="5.6-rc1" date="2019-04-10" type="development"></release>
+        <release version="5.6~rc2" date="2019-04-17" type="development"></release>
+        <release version="5.6~rc1" date="2019-04-10" type="development"></release>
         <release version="5.5" date="2018-12-17" type="stable"></release>
     </releases>
     <provides>