3 files changed, 13 insertions, 12 deletions

diff --git a/README.md b/README.md
index 908a6ba..e110efd 100644
--- a/README.md
+++ b/README.md
@@ -72,11 +72,12 @@ License applicable to the documentation
 
 Copyright ⓒ 2016--2020 Robert Alessi
 
-The documentation file `arabluatex.pdf` that is generated from the
-`arabluatex.dtx` source is licensed under the Creative Commons
-Attribution-ShareAlike 4.0 International License. To view a copy of this
-license, visit <http://creativecommons.org/licenses/by-sa/4.0/> or send
-a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License, Version 1.3 or
+any later version published by the Free Software Foundation; with no
+Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
+copy of the license is included in the section entitled "GNU Free
+Documentation License" of the documentation.
 
 Installation 
 ============
diff --git a/README.tex b/README.tex
index 5d48716..3bec1cb 100644
--- a/README.tex
+++ b/README.tex
@@ -74,12 +74,12 @@ source files:
 \label{sec:documentation-license}
 Copyright ⓒ 2016--2020  Robert Alessi
 
-The documentation file \verb|arabluatex.pdf| that is generated from
-the \verb|arabluatex.dtx| source is licensed under the Creative
-Commons Attribution-ShareAlike 4.0 International License. To view a
-copy of this license, visit
-\url{http://creativecommons.org/licenses/by-sa/4.0/} or send a letter
-to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License, Version 1.3 or
+any later version published by the Free Software Foundation; with no
+Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.  A
+copy of the license is included in the section entitled ``GNU Free
+Documentation License'' of the documentation.
 
 \section*{Installation}
 \label{sec:installation}
diff --git a/about.html b/about.html
index 8ef882e..a718fa2 100644
--- a/about.html
+++ b/about.html
@@ -45,7 +45,7 @@
 </ul>
 <h2 id="sec:documentation-license" class="unnumbered unnumbered">License applicable to the documentation</h2>
 <p>Copyright ⓒ 2016–2020 Robert Alessi</p>
-<p>The documentation file <code>arabluatex.pdf</code> that is generated from the <code>arabluatex.dtx</code> source is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. To view a copy of this license, visit <a href="http://creativecommons.org/licenses/by-sa/4.0/" class="uri">http://creativecommons.org/licenses/by-sa/4.0/</a> or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.</p>
+<p>Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled “GNU Free Documentation License” of the documentation.</p>
 <h1 id="sec:installation" class="unnumbered unnumbered">Installation</h1>
 <ol>
 <li><p>Run <code>'lualatex arabluatex.ins'</code> to produce the <code>arabluatex.sty</code> file;</p></li>