Update clay instructions to use -vtap
diff --git a/tests-clay/README.md b/tests-clay/README.md
index f3e54d6..6b5a659 100644
--- a/tests-clay/README.md
+++ b/tests-clay/README.md
@@ -11,7 +11,7 @@ https://github.com/tanoku/clay
* Mix the tests:
- ./clay .
+ ./clay -vtap .
* Make sure you actually build the tests by setting: