diff --git a/libraries/transformer/src/main/java/androidx/media3/transformer/ExportResult.java b/libraries/transformer/src/main/java/androidx/media3/transformer/ExportResult.java
index 4602e5858f..14bf469ae7 100644
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/ExportResult.java
+++ b/libraries/transformer/src/main/java/androidx/media3/transformer/ExportResult.java
@@ -411,7 +411,11 @@ public final class ExportResult {
   /** The track was both transcoded and transmuxed. */
   public static final int CONVERSION_PROCESS_TRANSMUXED_AND_TRANSCODED = 3;
 
-  /** The list of {@linkplain ProcessedInput processed inputs}. */
+  /**
+   * The list of {@linkplain ProcessedInput processed inputs}. The list might have some intermediate
+   * {@linkplain ProcessedInput processed inputs} if the export is {@link Transformer#resume
+   * resumed} or any optimization is applied.
+   */
   public final ImmutableList<ProcessedInput> processedInputs;
 
   /** The duration of the file in milliseconds, or {@link C#TIME_UNSET} if unset or unknown. */