X-Git-Url: https://projects.mako.cc/source/protection-tools/blobdiff_plain/40337071f4f25378fcf2d4f47199e9f9e9bf3a85..HEAD:/README

diff --git a/README b/README
index 5370398..342776d 100644
--- a/README
+++ b/README
@@ -3,6 +3,7 @@ Page Protection: Another Missing Dimension of Wikipedia Research
 
 | Author: Benjamin Mako Hill <mako@atdot.cc> and Aaron Shaw <aaron.d.shaw@gmail.com>
 | Homepage: http://communitydata.cc/wiki-protection/
+| Archival copy: http://dx.doi.org/10.7910/DVN/P1VECE
 | Code: http://projects.mako.cc/source/?p=protection-tools
 | License: GNU GPLv3 or any later version
 | Description:
@@ -74,6 +75,15 @@ Running the Software
 - GNU R
 - `data.table` R package available on CRAN
 
+There is also a dependency on a file called `wikipedia_namespaces.csv`
+which is included in this repository and which is drawn from data on
+this page: https://en.wikipedia.org/wiki/Wikipedia:Namespace
+
+This file is taken from English Wikipedia in 2015. If you are working
+with different wikis or with an updated dump, you will likely to need
+to update this file.
+
+
 1. Download Dumps
 ==========================