diff --git a/README.md b/README.md
index 42a6943575800d83ae5639b5dd8f93d2ebf50c31..6ca96e348e644f7298f014aaade38951c4bc35bc 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,11 @@ $ vagrant box add ubuntu/trusty32
 
 $ vagrant up
 
+## Notes
+
+Repositories are checked out anonymously.   To be able to submit patches
+back use:
+	git format-patch
 
 ## Author