modified quickstart example in README.md

README.md

@@ -55,6 +55,7 @@ language = 'german'  # or any of the 18 languages
 subset = 'relevant'  # or 'non_relevant'
 split = 'test'       # or 'dev' for development split
 
+# four combinations available: 'dev.relevant', 'dev.non_relevant', 'test.relevant' and 'test.non_relevant'
 nomiracl = datasets.load_dataset('miracl/nomiracl', language, split=f'{split}.{subset})
 ```