guix: Update instructions with guix shell.

* guix.scm: Replace guix environment comment with guix shell.

diff --git a/guix.scm b/guix.scm
index d139e648b429ba50a49150464ff79fad3e63415c..165b9941ccac87cf45856f32ff92ced8283a740c 100644 (file)
--- a/guix.scm
+++ b/guix.scm
@@ -1,5 +1,5 @@
 ;;; 8sync --- Asynchronous programming for Guile
-;;; Copyright (C) 2016 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; Copyright (C) 2016, 2023 Janneke Nieuwenhuizen <janneke@gnu.org>
 ;;; Copyright (C) 2017 Christopher Allan Webber <cwebber@dustycloud.org>
 ;;;
 ;;; This file is part of 8sync.
@@ -32,7 +32,11 @@
 ;;
 ;; To use as the basis for a development environment, run:
 ;;
-;;   guix environment -l guix.scm
+;;   guix shell -D -f guix.scm
+;;
+;; or simply
+;;
+;;   guix shell
 ;;
 ;;; Code: