Update README.md

README.md

@@ -101,7 +101,7 @@ Note that the _good-translation_ may not be free of errors but it is a better tr
 ### Data Splits
 
 The ACES dataset has 1 split: _train_ which contains the challenge set. There are  36476 examples. 
-For simplicity, we uses _val_ for the Span-ACES dataset. Note, the examples in Span-ACES are identical to ACES.
+Note, the examples in Span-ACES are identical to ACES with the two additional columns. The examples are also stored under a different _train_ split
 ## Dataset Creation
 
 ### Curation Rationale