1diff --git a/LICENSES/SPREADSHEET_LICENSE b/LICENSES/SPREADSHEET_LICENSE
 2index 65ba96f..3fd5e00 100644
 3--- a/LICENSES/SPREADSHEET_LICENSE
 4+++ b/LICENSES/SPREADSHEET_LICENSE
 5@@ -18,4 +18,32 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 6 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 7 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 8 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 9-SOFTWARE.
10\ No newline at end of file
11+SOFTWARE.
12+
13+
14+
15+
16+This library contains modified content from Appendix B of the OpenOffice.org
17+"Calc Guide," available at http://wiki.openoffice.org/w/images/b/b3/0300CS3-CalcGuide.pdf.
18+This content is licensed under the Creative Commons Attribution License,
19+version 2.0, available at http://creativecommons.org/licenses/by/2.0/legalcode.
20+
21+The copyright notice found in the OpenOffice.org "Calc Guide" is included in
22+its complete form below.
23+
24+Copyright
25+This document is Copyright © 2005 by its contributors as listed in the
26+section titled Authors. You can distribute it and/or modify it under the
27+terms of either the GNU General Public License, version 2 or later
28+(http://www.gnu.org/licenses/gpl.html), or the Creative Commons Attribution
29+License, version 2.0 or later (http://creativecommons.org/licenses/by/2.0/).
30+
31+All trademarks within this guide belong to their legitimate owners.
32+
33+Authors
34+
35+Magnus Adielsson
36+Richard Barnes
37+Peter Kupfer
38+Iain Roberts
39+Jean Hollis Weber
40\ No newline at end of file