diff --git a/README.md b/README.md
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 # Marshall_et_al_2024
-Code for _From micro to macro units: a mathematical framework for identifying the causal grain of a system from its intrinsic perspective_.
+Code for _Intrinsic Units: Identifying a system’s causal grain_.
 
 PyPhi version: [feature/iit-4.0 83e887](https://github.com/wmayner/pyphi/commit/83e887db466ed0c617cfb637f94a13d2aae8eea2)