diff --git a/libraries/muxer/src/main/java/androidx/media3/muxer/FragmentedMp4Muxer.java b/libraries/muxer/src/main/java/androidx/media3/muxer/FragmentedMp4Muxer.java
index 429406e86e..1c9877de86 100644
--- a/libraries/muxer/src/main/java/androidx/media3/muxer/FragmentedMp4Muxer.java
+++ b/libraries/muxer/src/main/java/androidx/media3/muxer/FragmentedMp4Muxer.java
@@ -45,6 +45,7 @@ import java.nio.ByteBuffer;
  *         <li>H.263
  *         <li>H.264 (AVC)
  *         <li>H.265 (HEVC)
+ *         <li>VP9
  *       </ul>
  *   <li>Audio Codecs:
  *       <ul>
diff --git a/libraries/muxer/src/main/java/androidx/media3/muxer/Mp4Muxer.java b/libraries/muxer/src/main/java/androidx/media3/muxer/Mp4Muxer.java
index 9be6cf794d..7222971350 100644
--- a/libraries/muxer/src/main/java/androidx/media3/muxer/Mp4Muxer.java
+++ b/libraries/muxer/src/main/java/androidx/media3/muxer/Mp4Muxer.java
@@ -70,6 +70,7 @@ import org.checkerframework.checker.nullness.qual.EnsuresNonNull;
  *         <li>H.263
  *         <li>H.264 (AVC)
  *         <li>H.265 (HEVC)
+ *         <li>VP9
  *       </ul>
  *   <li>Audio Codecs:
  *       <ul>