Backport commit 5f57b41aa from Emacs

; Minor license statement fixes
5f57b41aa612e5f190f5a3c1ea013be114493a03
Stefan Kangas
Mon Dec 20 22:31:31 2021 +0100

lisp/ol-man.el

@@ -8,12 +8,12 @@
 ;;
 ;; This file is part of GNU Emacs.
 ;;
-;; This program is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
 
-;; This program is distributed in the hope that it will be useful,
+;; GNU Emacs is distributed in the hope that it will be useful,
 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ;; GNU General Public License for more details.