diff --git a/README.md b/README.md
index 6ff3143..bce2826 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,9 @@ Next, Just run the tests
 node tests/basic.js
 ```
 
+Note: you should not modify the tests that come from the tests branch,
+but rather create separate files for your own tests.
+
 API
 ===