add paper link to README

unixpickle · web-flow · commit 32b43b6c677d · 2021-02-22T12:01:43.000-05:00
diff --git a/README.md b/README.md
@@ -1,6 +1,6 @@
 # improved-diffusion
 
-This is the codebase for "Improved Denoising Diffusion Probabilistic Models".
+This is the codebase for [Improved Denoising Diffusion Probabilistic Models](https://arxiv.org/abs/2102.09672).
 
 # Usage
 
