diff --git a/README b/README
index 956d27d..209ae28 100644
--- a/README
+++ b/README
@@ -1,3 +1,6 @@
+Audacious 3.6 tarball contains an appdata file in "contrib" subdir.
+It doesn't validate yet, however.
+
 xmp-plugin-audacious rewritten for Audacious 3.6-alpha1 C++ API
 https://github.com/mschwendt/xmp-plugin-audacious
 XMP upstream has been made aware of the major changes