diff --git a/camera/ndk/include/camera/NdkCameraMetadataTags.h b/camera/ndk/include/camera/NdkCameraMetadataTags.h
index 25d364e..8b76cdf 100644
--- a/camera/ndk/include/camera/NdkCameraMetadataTags.h
+++ b/camera/ndk/include/camera/NdkCameraMetadataTags.h
@@ -1547,6 +1547,7 @@
      * <code>false</code> if present.</p>
      * <p>For applications targeting SDK versions older than O, the value of enableZsl in all
      * capture templates is always <code>false</code> if present.</p>
+     * <p>For application-operated ZSL, use CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG template.</p>
      *
      * @see ACAMERA_CONTROL_CAPTURE_INTENT
      * @see ACAMERA_SENSOR_TIMESTAMP