diff --git a/NOTICE b/NOTICE
index 578d0ab..612eca1 100644
--- a/NOTICE
+++ b/NOTICE
@@ -4,4 +4,9 @@ Copyright 2018, Giacomo Bacco
 
 isOctave
 Copyright (c) 2010, Kurt von Laven 
+All rights reserved.
+
+
+pythonhighlight
+Copyright (c) 2009--2011, Olivier Verdier
 All rights reserved.
\ No newline at end of file
diff --git a/doc/doc.pdf b/doc/doc.pdf
index 9f8bbf4..deaf71a 100644
Binary files a/doc/doc.pdf and b/doc/doc.pdf differ
diff --git a/doc/pythonhighlight.sty b/doc/pythonhighlight.sty
index 79a3a77..3d57312 100644
--- a/doc/pythonhighlight.sty
+++ b/doc/pythonhighlight.sty
@@ -1,3 +1,31 @@
+%% Copyright (c) 2009--2011, Olivier Verdier
+%% All rights reserved.
+%%
+%% Redistribution and use in source and binary forms, with or without
+%% modification, are permitted provided that the following conditions are met:
+%%
+%%  * Redistributions of source code must retain the above copyright notice, 
+%%    this list of conditions and the following disclaimer.
+%%  * Redistributions in binary form must reproduce the above copyright notice, 
+%%    this list of conditions and the following disclaimer in the documentation 
+%%    and/or other materials provided with the distribution.
+%%  * Neither the name of "pythonhighlighting" nor the names of its 
+%%    contributors may be used to endorse or promote products derived from this 
+%%    software without specific prior written permission.
+%%
+%% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+%% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+%% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+%% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
+%% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+%% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+%% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+%% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+%% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+%% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+%% POSSIBILITY OF SUCH DAMAGE.
+
+
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{pythonhighlight}[2011/09/19 python code highlighting; provided by Olivier Verdier <olivier.verdier@gmail.com>]