diff --git a/README.md b/README.md
index 5f966efeb..68f2d2133 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ As I work through things, I've been jotting down some design notes:
 
 * [Type Extraction - April 15, 2020](https://gist.github.com/stellaraccident/ec1ab0f633cfca0a05866fd77705b4e4)
 * [Ufunc modeling Part 1 - April 29, 2020](https://gist.github.com/stellaraccident/4fcd2a24a66b6588f92b22b2b8ab974f)
+* [Array funcs and op granularity - May 5, 2020](https://gist.github.com/stellaraccident/2c11652cfdee1457921bc7c98807b462)
 
 ## Quick start