diff --git a/lib/class-wp-duotone-gutenberg.php b/lib/class-wp-duotone-gutenberg.php
index 2a6f1343801445..62532ac9a6d03d 100644
--- a/lib/class-wp-duotone-gutenberg.php
+++ b/lib/class-wp-duotone-gutenberg.php
@@ -867,6 +867,7 @@ public static function migrate_experimental_duotone_support_flag( $settings, $me
 	 * @return string The SVG for the filter definition.
 	 */
 	public static function get_filter_svg_from_preset( $preset ) {
+		// TODO: This function will be refactored out in a follow-up PR where it will be deprecated.
 		$filter_id = gutenberg_get_duotone_filter_id( $preset );
 		return self::get_filter_svg( $filter_id, $preset['colors'] );
 	}