Python 2.5 support note

README.md

@@ -156,7 +156,7 @@ So far the dependencies are:
  * [django-sekizai](https://github.com/ojii/django-sekizai/)
  * [sorl-thumbnail](https://github.com/sorl/sorl-thumbnail)
  * PIL (Python Imaging Library)
- * Python>=2.6<3 (Python 3 not yet supported)
+ * Python>=2.5<3 (Python 3 not yet supported)
 
 Development
 ------------
@@ -167,6 +167,11 @@ The folder **testproject/** contains a pre-configured django project and an sqli
 
 [![Build Status](https://travis-ci.org/benjaoming/django-wiki.png?branch=master)](https://travis-ci.org/benjaoming/django-wiki)
 
+Python 2.5
+----------
+
+Due to Markdown using elementree, you should check that you have python-celementtree: `apt-get install python-celementtree`
+
 Acknowledgements
 ----------------