Small README update
diff --git a/README b/README
index 2e0a069..a6853b2 100644
--- a/README
+++ b/README
@@ -1,6 +1,7 @@
-NDN module requires a number of patches to be applied on NS-3.
+Unless a custom branch of NS-3 is used (recommended), ndnSIM requires a number of patches to be applied on NS-3.
 Patches are in patches/ folder
 
+For more information, refer to documentation in doc/ or on http://irl.cs.ucla.edu/ndnSIM/
 
 Depending on which base NS-3 is used, you may need to rescan python binding