Correct where the paper's metric values come from

README.md

@@ -54,7 +54,10 @@ section, wire up data) over one evolving project. Each task is defined by `task.
 All task text in this release is in English. The tasks were authored and run in Chinese and
 are published here in English translation; requirements are written in a product manager's
 voice, and each `checklist` item states an observable property of the running application.
-Metric values in the paper were produced with these same task definitions.
+The metric values reported in the paper were produced with the original Chinese task
+text. This translation preserves every task id, checklist item id, milestone index and item
+weight, so grades recorded under the original text line up with these files item by item;
+re-running the benchmark on a further retranslation may produce different numbers.
 
 ## Composition