Update README.md

README.md

@@ -14,7 +14,15 @@ each sample is at most 30 seconds
 
 ### Loading script
 ```
->>> load_dataset("Zarakun/speakers_ua_test")
+>>> data_files = {"train": "data/<your_subset>.parquet"}
+>>> data = load_dataset("Zarakun/speakers_ua_test", data_files=data_files)
+>>> data
+DatasetDict({
+    test: Dataset({
+        features: ['num_speakers', 'utter', 'audio'],
+        num_rows: <some_number>
+    })
+})
 ```
 
 ### Dataset structure