Update README.md

Updated dataset name due to user name that (probably) was changed.

README.md

@@ -115,7 +115,7 @@ Use the dataset like this:
 from datasets import load_dataset
 
 config = 'en_contracts'  # {language}_{type}
-dataset = load_dataset('joelito/Multi_Legal_Pile', config, split='train', streaming=True)
+dataset = load_dataset('joelniklaus/Multi_Legal_Pile', config, split='train', streaming=True)
 ```
 
 'config' is a combination of language and text_type, e.g. 'en_contracts' or 'de_caselaw'.