diff --git a/libraries/exoplayer_dash/src/main/java/androidx/media3/exoplayer/dash/manifest/AdaptationSet.java b/libraries/exoplayer_dash/src/main/java/androidx/media3/exoplayer/dash/manifest/AdaptationSet.java
index 7e7f73ad3b..1e86be4a41 100644
--- a/libraries/exoplayer_dash/src/main/java/androidx/media3/exoplayer/dash/manifest/AdaptationSet.java
+++ b/libraries/exoplayer_dash/src/main/java/androidx/media3/exoplayer/dash/manifest/AdaptationSet.java
@@ -28,8 +28,12 @@ public class AdaptationSet {
   public static final int ID_UNSET = -1;
 
   /**
-   * A non-negative identifier for the adaptation set that's unique in the scope of its containing
-   * period, or {@link #ID_UNSET} if not specified.
+   * An identifier for the adaptation set that's unique in the scope of its containing period, or
+   * {@link #ID_UNSET} if not specified.
+   *
+   * <p>The identifier has the same value as defined in the manifest. However. the manifest value is
+   * an unsigned integer and values exceeding {@link Integer#MAX_VALUE} will be represented as
+   * negative numbers.
    */
   public final int id;