Prettify sanitized facet values (prevent MD5 hash)

<?php

// Add to your (child) theme's functions.php, and re-index afterwards

add_filter( 'facetwp_index_row', function( $params, $class ) {
    if ( 'project_programs' == $params['facet_name'] ) {
        $val = $params['facet_value'];
        $val = preg_replace( '/^[a-z0-9]/', '-', $val );
        $val = preg_replace( '/[\-]+/', '-', $val );
        $params['facet_value'] = $val;
    }
    return $params;
}, 10, 2 );