[office/calligra] doc: Fix docbooks copyright

[Yuri Chornoivan]

Git commit 23d5cc24629e433625db37e05588806ed0f88a5a by Yuri Chornoivan.
Committed on 25/04/2021 at 06:34.
Pushed by yurchor into branch 'master'.

Fix docbooks copyright

M  +1    -1    doc/sheets/index.docbook
M  +2    -2    doc/stage/index.docbook

https://invent.kde.org/office/calligra/commit/23d5cc24629e433625db37e05588806ed0f88a5a

diff --git a/doc/sheets/index.docbook b/doc/sheets/index.docbook
index df9651ffc6d..a966faf4824 100644
--- a/doc/sheets/index.docbook
+++ b/doc/sheets/index.docbook
@@ -124,7 +124,7 @@ http://www.calligra.org</ulink></para>
 &sheets;
 </para>
 <para>
-Program SPDX-FileCopyrightText: 1998-2019 The &sheets; Team:
+Program copyright 1998-2019 The &sheets; Team:
 </para>
 <para>
 <itemizedlist>
diff --git a/doc/stage/index.docbook b/doc/stage/index.docbook
index 08f33b83d71..71b65a1784b 100644
--- a/doc/stage/index.docbook
+++ b/doc/stage/index.docbook
@@ -154,7 +154,7 @@ License.
 </para>
 
 <para>
-Program SPDX-FileCopyrightText: 1998-2000 Reginald Stadlbauer
+Program copyright 1998-2000 Reginald Stadlbauer
 <email>reggie at kde.org</email>
 </para>
 
@@ -210,7 +210,7 @@ Percy Leonhardt <email>percy at eris23.de</email>
 </itemizedlist>
 
 <para>
-Documentation based on the work SPDX-FileCopyrightText: 1999-2000 by &Krishna.Tateneni;
+Documentation based on the work copyright 1999-2000 by &Krishna.Tateneni;
 .  Portions are copyright 2000-2002 &Neil.Lucock; &Neil.Lucock.mail;
 and 2005 &Anne-Marie.Mahfouf; &Anne-Marie.Mahfouf.mail;
 </para>