diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 5e4fe50330..39069b3dc5 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -546,7 +546,7 @@ static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
     return updateSize(pb, pos);
 }
 
-/* TODO?: Currently all samples/frames seem to have same duration */
+/* TODO: */
 /* Time to sample atom */
 static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
 {