diff --git a/metadata/at.dasz.KolabDroid.txt b/metadata/at.dasz.KolabDroid.txt
index fa8a726b9e..8cf3b3cf4a 100644
--- a/metadata/at.dasz.KolabDroid.txt
+++ b/metadata/at.dasz.KolabDroid.txt
@@ -8,6 +8,9 @@ Summary:Sync contacts/calendar
 Description:
 A synchronisation provider for contacts and calender, integrating with Kolab
 or IMAP servers.
+
+Currently, this is a developer preview. The project can eat all your data.
+(And calendar sync doesn't work on Android 4.x).
 .
 
 Repo Type:git