Update README.md

Changed filenames + explained the annotations part

README.md

@@ -101,16 +101,19 @@ Each datapoint's annotation is structured as follows:
 
 Note that whenever an annotator labeled, for example, "misogyny" as "No", then the following labels "category" and "rating" will be empty (NaN).
 
+Note also that each datapoint's "annotations" part has four keys ("annotator 1", "annotator 2", "annotator 3", "annotator 4") but there are between 2 to 4 annotations per datapoint so the value for the missing annotator(s) is null.
+
 ### Description of the data
 
-This dataset is separated into 3 files .json files comprising a train, test and validation set, as follows:
+This dataset is separated into 3 parquet files comprising a train, test and validation set, as follows:
 
 ```
 BiaSWE/
-  -anon_biaSWE_v1_train.json
-  -anon_biaSWE_v1_test.json
-  -anon-biaSWE_v1_val.json
   -README.md
+  /data
+    - train-00000-of-00001.parquet
+    - val-00000-of-00001.parquet
+    - test-00000-of-00001.parquet
 ```
 
 ## Authors