diff --git a/mediainfo/README b/mediainfo/README
index 85407d3d71..4e4eb7590e 100644
--- a/mediainfo/README
+++ b/mediainfo/README
@@ -68,3 +68,7 @@ Duration:
 == unsorted ==
 - handle chapters
 
+= TODO for discoverer =
+- get caps for container
+- get duration per stream
+