diff --git a/src/add-ons/media/plugins/ffmpeg/DemuxerTable.cpp b/src/add-ons/media/plugins/ffmpeg/DemuxerTable.cpp
index 566cb0f9a9..d9847b97b0 100644
--- a/src/add-ons/media/plugins/ffmpeg/DemuxerTable.cpp
+++ b/src/add-ons/media/plugins/ffmpeg/DemuxerTable.cpp
@@ -17,7 +17,9 @@ extern "C" {
 
 static const DemuxerFormat gDemuxerTable[] = {
 //	{
-//		// TODO: untested!
+//		// Tested with a limited number of streams. Some videos show bad
+//		// artifacts on keyframes with our own ASF Reader, while they play
+//		// fine with this Reader. But seeking seems to be a problem.
 //		"asf", "ASF Movie", "video/x-asf",
 //		B_WAV_FORMAT_FAMILY, B_AVI_FORMAT_FAMILY
 //	},