update of packages

lisp/treemacs/treemacs-themes.el

@@ -1,6 +1,6 @@
 ;;; treemacs.el --- A tree style file viewer package -*- lexical-binding: t -*-
 
-;; Copyright (C) 2022 Alexander Miller
+;; Copyright (C) 2023 Alexander Miller
 
 ;; This program is free software; you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
@@ -64,7 +64,6 @@
   "Create a new (bare) theme with the given NAME.
 - ICON-DIRECTORY is the (mandatory) theme's location.
 - EXTENDS is the theme to be extended.
-- BASED-ON is the name of a theme whose icons this one should start with.
 - CONFIG is a code block to fill the created theme with icons via
   `treemacs-create-icon'."
   (declare (indent 1))