Update README.md

README.md

@@ -136,6 +136,8 @@ In the original SIMORD dataset, the provenance line numbers usually exceed the t
 2. Calculate the offset between the original provenance and the actual line numbers
 3. Shift all provenances to match the new `enumerated_transcript` line numbers
 
+> Note: not every `reason` field is directly extracted from the transcript, so there are still some incorrect `provenance` values
+
 For example, `acibench_virtassist_train_D2N010` only has 61 speaker turns, but the original dataset had `provenance` values like [91, 97], which are out of range.
 
 ```json