diff --git a/Community-collaboration.md b/Community-collaboration.md
index 13819d95..0be32409 100644
--- a/Community-collaboration.md
+++ b/Community-collaboration.md
@@ -1,13 +1,13 @@
 This project is a community project
 
 ## Mailing list ##
-- Google group: http://groups.google.com/group/eiffel-web-framework
+- Google group: [http://groups.google.com/group/eiffel-web-framework](http://groups.google.com/group/eiffel-web-framework)
 
 ## Materials ##
-- wiki: github wiki at https://github.com/Eiffel-World/Eiffel-Web-Framework/wiki
-- Shared documents:  on google docs at http://goo.gl/M8WLP
-- source code: git repository at https://github.com/Eiffel-World/Eiffel-Web-Framework
-- Proposal from Paul Cohen for a EWSGI spec at http://eiffel.seibostudios.se/wiki/EWSGI
+- wiki: github wiki at [https://github.com/Eiffel-World/Eiffel-Web-Framework/wiki](https://github.com/Eiffel-World/Eiffel-Web-Framework/wiki)
+- Shared documents:  on google docs at [http://goo.gl/M8WLP](http://goo.gl/M8WLP)
+- source code: git repository at [https://github.com/Eiffel-World/Eiffel-Web-Framework](https://github.com/Eiffel-World/Eiffel-Web-Framework)
+- Proposal from Paul Cohen for a EWSGI spec at [http://eiffel.seibostudios.se/wiki/EWSGI](http://eiffel.seibostudios.se/wiki/EWSGI)
 
 ## Main contributors ##
 - **jfiat**: Jocelyn Fiat (Eiffel Software)