diff --git a/libraries/transformer/src/main/java/androidx/media3/transformer/EditedMediaItem.java b/libraries/transformer/src/main/java/androidx/media3/transformer/EditedMediaItem.java
index 09019bd900..fc978cbe38 100644
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/EditedMediaItem.java
+++ b/libraries/transformer/src/main/java/androidx/media3/transformer/EditedMediaItem.java
@@ -239,6 +239,7 @@ public final class EditedMediaItem {
    * The duration of the image in the output video for image {@link MediaItem}, or the media
    * duration for other types of {@link MediaItem}, in microseconds.
    */
+  // TODO - b/309767764: Consider merging with presentationDurationUs.
   public final long durationUs;
 
   /** The frame rate of the image in the output video, in frames per second. */