diff --git a/libraries/transformer/src/main/java/androidx/media3/transformer/InAppMuxer.java b/libraries/transformer/src/main/java/androidx/media3/transformer/InAppMuxer.java
index 5fbc1b3b04..8131d9eae5 100644
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/InAppMuxer.java
+++ b/libraries/transformer/src/main/java/androidx/media3/transformer/InAppMuxer.java
@@ -61,6 +61,7 @@ public final class InAppMuxer implements Muxer {
      * <ul>
      *   <li>{@link Mp4LocationData}
      *   <li>{@link XmpData}
+     *   <li>{@link Mp4TimestampData}
      *   <li>{@link MdtaMetadataEntry}
      * </ul>
      */