Index: src/wp-admin/customize.php =================================================================== --- src/wp-admin/customize.php (revision 42133) +++ src/wp-admin/customize.php (working copy) @@ -53,7 +53,7 @@ if ( in_array( get_post_status( $changeset_post->ID ), array( 'publish', 'trash' ), true ) ) { wp_die( '
' . __( 'This changeset has already been published and cannot be further modified.' ) . '
' . + '' . __( 'This changeset cannot be further modified.' ) . '
' . '', 403 );