diff --git a/README b/README
index f621ae1..38e8543 100644
--- a/README
+++ b/README
@@ -20,6 +20,11 @@
         * lint for source checking (optional)
 
     2.  Build the OpenFlow Python message classes
+
+        Important:  The OF version used by the controller is based on 
+        the file in <oftest>/tools/pylibopenflow/include/openflow.h
+        This is currently the 1.0 release file.
+
         * cd <oftest>/tools/munger
         * make
         This places files in <oftest>/src/python/oftest/src
@@ -114,3 +119,5 @@
       http://www.openflowswitch.org/bugs/openflow
       http://www.openflowswitch.org/bugs/openflow/query?component=Regression+test+suite
 
+    * Make the framework work with OF versions other than 1.0?
+