diff --git a/NOTES b/NOTES
index 4efd51c..6393342 100644
--- a/NOTES
+++ b/NOTES
@@ -25,6 +25,7 @@
 
  * http://dbmsmusings.blogspot.com/2019/06/correctness-anomalies-under.html
 
+ https://github.com/Sciss/ScalaBerkeleyDBTest/tree/master/src/main/scala/de/sciss/bdb
 
 ---
  * -DJE_TEST=true