Solicitor CPT and Taxonomy

<?php
add_action( 'init', 'tdd_create_custom_post_type' );
function tdd_create_custom_post_type() {
    $labels = array( 'name' => _x( 'solicitors', 'post type general name' ),
                     'singular_name' => _x( 'solicitor', 'post type singular name' ),
                     'add_new' => _x( 'New solicitor', 'add new singular name' ),
                     'add_new_item' => __( 'Add New solicitor' ),
                     'edit_item' => __( 'Edit solicitor' ),
                     'new_item' => __( 'New solicitor' ),
                     'view_item' => __( 'View solicitor' ),
                     'search_items' => __( 'Search solicitors' ),
                     'not_found' =>  __( 'No solicitors Found' ),
                     'not_found_in_trash' => __( 'No solicitors found in Trash' ),
                   );
    $args = array( 'labels' => $labels,
                   'public' => true,
                   'publicly_queryable' => true,
                   'show_ui' => true,
                   'query_var' => true,
                   'rewrite' => true,
                   'has_archive' => 'solicitors',
                   'capability_type' => 'post',
                   'hierarchical' => true,
                   'show_in_nav_menus' => true,
                   'menu_position' => 100, // last block
                   'supports' => array( 'title', 'editor', 'revisions', 'shortlink' )
                 );

    register_post_type( 'solicitor', $args );

    $tax_labels = array(
                        'name' => _x( 'Specialities', 'taxonomy general name' ), // there will only be one
                        'singular_name' => _x( 'Speciality', 'taxonomy singular name' ),
                        'search_items' =>  __( 'Search specialities' ),
                        'popular_items' => __( 'Popular specialities' ),
                        'all_items' => __( 'All specialities' ),
                        'parent_item' => null,
                        'parent_item_colon' => null,
                        'edit_item' => __( 'Edit speciality' ),
                        'update_item' => __( 'Update speciality' ),
                        'add_new_item' => __( 'Add New speciality' ),
                        'new_item_name' => __( 'New speciality Name' ),
                        'separate_items_with_commas' => __( 'Separate specialities with commas' ),
                        'add_or_remove_items' => __( 'Add or remove specialities' ),
                        'choose_from_most_used' => __( 'Choose from the most used specialities' )
                       );
    $tax_args = array(
                      'labels' => $tax_labels,
                      'hierarchical' => false,
                      'show_ui' => true,
                      'query_var' => true,
                      'rewrite' => array( 'slug' => 'solicitor-speciality' ),
                     )
    register_taxonomy( 'speciality', 'solicitor', $tax_args );
}

add_filter( 'the_content', 'tdd_extra_content' );
function tdd_extra_content( $content ) {
    global $post;
    if ( isset( $post->post_type ) && ( 'solicitor' == $post->post_type ) )
        return $content . get_the_term_list( $post->ID, 'speciality', 'Specialities: ', ', ' , '' );
    return $content;
} //end extra_content
?>