doc: update copyright years

lzaoral · lzaoral · commit da542458124e · 2022-06-14T12:33:25.000+02:00
diff --git a/doc/csclng.adoc b/doc/csclng.adoc
@@ -111,6 +111,6 @@ Written by Kamil Dudka.
 
 COPYING
 -------
-Copyright \(C) 2013-2014 Red Hat, Inc. Free use of this software is granted
+Copyright \(C) 2013-2022 Red Hat, Inc. Free use of this software is granted
 under the terms of the GNU General Public License (GPL).  See the COPYING file
 for details.
diff --git a/doc/cscppc.adoc b/doc/cscppc.adoc
@@ -107,6 +107,6 @@ Written by Kamil Dudka.
 
 COPYING
 -------
-Copyright \(C) 2013-2014 Red Hat, Inc. Free use of this software is granted
+Copyright \(C) 2013-2022 Red Hat, Inc. Free use of this software is granted
 under the terms of the GNU General Public License (GPL).  See the COPYING file
 for details.
diff --git a/doc/csgcca.adoc b/doc/csgcca.adoc
@@ -107,6 +107,6 @@ Written by Kamil Dudka.
 
 COPYING
 -------
-Copyright \(C) 2020-2021 Red Hat, Inc. Free use of this software is granted
+Copyright \(C) 2020-2022 Red Hat, Inc. Free use of this software is granted
 under the terms of the GNU General Public License (GPL).  See the COPYING file
 for details.
