diff --git a/README.md b/README.md
index 17679ce11c2a98ec30b768b705c3bf62aa1fbd0c..6f963c3b7edffa29fefadca8d996fa54cc704928 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 
 Example of running a Linux desktop or window manager with noVNC inside Jupyter.
 
+This is based on https://github.com/ryanlovett/nbnovnc
+
 ```
 docker build -t jupyter-desktop .
 docker run -it --rm -p 8888:8888 jupyter-desktop jupyter notebook --debug