diff --git a/libraries/exoplayer_ima/src/main/java/androidx/media3/exoplayer/ima/ImaServerSideAdInsertionMediaSource.java b/libraries/exoplayer_ima/src/main/java/androidx/media3/exoplayer/ima/ImaServerSideAdInsertionMediaSource.java
index 959d873cf8..e029b74578 100644
--- a/libraries/exoplayer_ima/src/main/java/androidx/media3/exoplayer/ima/ImaServerSideAdInsertionMediaSource.java
+++ b/libraries/exoplayer_ima/src/main/java/androidx/media3/exoplayer/ima/ImaServerSideAdInsertionMediaSource.java
@@ -213,7 +213,9 @@ public final class ImaServerSideAdInsertionMediaSource extends CompositeMediaSou
       /**
        * Sets the IMA SDK settings.
        *
-       * <p>If this method is not called the default settings will be used.
+       * <p>If this method is not called, the {@linkplain ImaSdkFactory#createImaSdkSettings()
+       * default settings} will be used with the language set to {@linkplain
+       * Util#getSystemLanguageCodes() the preferred system language}.
        *
        * @param imaSdkSettings The {@link ImaSdkSettings}.
        * @return This builder, for convenience.