diff --git a/documentation/current/contribute/documentation.wiki b/documentation/current/contribute/documentation.wiki
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+[[Property:title|How to contribute to documentation]]
+[[Property:link_title|To documentation]]
+[[Property:weight|1]]
+
+= Current documentation system =
+* The documentation is written using wikitext syntax.
+* Each page is stored in a wiki file on disk.
+* Those files comes from a subversion repository (see [https://svn.eiffel.com/eiffel-org/trunk/documentation/current]).
+* The outline of book are following the underlying directory structure, and each wiki file can have properties that hold metadata such as:
+:<nowiki>[[Property:title|The page title]]</nowiki>
+:<nowiki>[[Property:link_title|short title]]</nowiki>
+:<nowiki>[[Property:weight|5]]</nowiki>
+
+= To contribute =
+* First, you can post comment on any page (see comment form at the bottom of each page).
+* As one would contribute to any source maintained on a subversion repository, one can contribute via the repository [https://svn.eiffel.com/eiffel-org/trunk/documentation/current/] and provide patch.
+* Note there is also a git mirror at [https://github.com/eiffelsoftware/eiffel-org] so you can also contribute via github by sending pull request.
+
+= Step by step with git =
+* Go to [https://github.com/eiffelsoftware/eiffel-org] for the project, then git clone on your machine.
+* create a git branch
+* add or edit the files locally
+* once you want to share your changes
+** git commit your changes
+** git push them to your github repository
+** then create a pull request so that the Eiffel.org documentation team can review and integrate the changes.
+* See current pull requests at [https://github.com/EiffelSoftware/eiffel-org/pulls]
+
+= Step by step with subversion =
+* <code>svn checkout https://svn.eiffel.com/eiffel-org/trunk/documentation/current/</code>
+* add or edit the files locally
+* once you want to share your changes
+** svn update
+** Send the patch via [https://codereview.appspot.com/]. (note: follow the instructions from codereview site, you will need to use a python script "upload.py" distributed by the codereview site).
+* See current patches at [https://codereview.appspot.com/search?base=https://svn.eiffel.com/eiffel-org/trunk/documentation/current/]
+
+
diff --git a/documentation/current/contribute/index.wiki b/documentation/current/contribute/index.wiki
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+[[Property:title|How to contribute]]
+[[Property:description|How to contribute]]
+[[Property:link_title|Contribute]]
+[[Property:weight|6]]
+
+= How to contribute to Eiffel ? =
+