diff --git a/functions.php b/functions.php
index 291656c..20cbb7c 100644
--- a/functions.php
+++ b/functions.php
@@ -30,8 +30,9 @@ add_action( 'wp_enqueue_scripts', 'child_theme_configurator_css', 10 );
 
 // END ENQUEUE PARENT ACTION
 
-// modify search
-add_filter( 'relevanssi_light_custom_fields', function( $fields ) { return array( '_genesis_description' ); } );
+// specific functions for Relevanssi Light search plugin, do not use if you are not using the plugin
+add_filter( 'relevanssi_light_custom_fields', function( $fields ) { return array( '_genesis_description' ); } ); // add The SEO Framework meta description to Relevanssi Light index
+add_filter( 'relevanssi_light_boolean_mode', '__return_true' ); // enable boolean search mode for Relevanssi Light
 
 // add dublin core metadata to header
 function add_dublin_core_metadata() {