diff --git a/README.md b/README.md
index 27b0eea..e8bd4cb 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,9 @@
 A set of scripts to use a pad with links using [media fragments](https://www.w3.org/TR/media-frags/) to perform an edit.
 
+The pad was written using browser extension called [GreaseMonkey](https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/) + a [custom user script](https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/). This hack is described [on this pad](https://pad.xpub.nl/p/greasemonkey).
+
+A sample pad is [here](https://pad.xpub.nl/p/radioworm-20231107).
+
 This example uses some python and BASH scripts and the following command line programs:
 
 * csvgrep from the *csvtoolkit* project