diff --git a/README b/README
index 6f44177..608b57d 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 ABOUT
 
-Python bindings for Parsley.
+Python 2.x bindings for Parsley.  Tested with Python 2.5 and 2.6.
 
 INSTALLATION
 
@@ -8,6 +8,8 @@ INSTALLATION
 
 Download Parsley from http://github.com/fizx/parsley/tree/master following the installation directions located at http://github.com/fizx/parsley/blob/master/INSTALL
 
+For Python 2.5, the simplejson library is required.  For Python 2.6 and later, the stdlib json library is used.	
+
 = Install pyparsely =
 
 sudo python setup.py install