README: point inference settings at paper Table A24

README.md

@@ -75,7 +75,9 @@ calendar covariates.
 - No model is fine-tuned on Carbon Arc data.
 - Symmetric averaging (averaging the forecast of a series with the sign-restored forecast
   of its negation) is enabled for every model that offers it: TimesFM-2.5, TimesFM-3.0,
-  Timestral-209M and the three t0 models. Other settings are each library's defaults.
+  Timestral-209M and the three t0 models. Negative forecasts are clipped to zero for every
+  model. Context limits and the few other departures from library defaults are listed in
+  Table A24 of the paper.
 
 ## Submitting a model