Update README.md

README.md

@@ -18,3 +18,5 @@ Briefly, the strengths of ACE-climSST are:
 Some known weaknesses are:
 - responses to more El Niño-like sea surface temperature and long-term warming trends are not accurately captured
 - small but non-zero drifts in total dry air mass of the atmosphere
+
+Refer to [published manuscript](https://arxiv.org/abs/2310.02074) for more details.